Sourcing Guide Contents
Industrial Clusters: Where to Source China Vacuum Food Storage Bags Wholesaler
SourcifyChina Sourcing Intelligence Report 2026
Subject: Deep-Dive Market Analysis for Sourcing Vacuum Food Storage Bags from China
Prepared For: Global Procurement Managers
Date: January 2026
Author: Senior Sourcing Consultant, SourcifyChina
Executive Summary
The global demand for vacuum food storage bags has grown steadily through 2024–2025, driven by rising consumer awareness of food preservation, sustainability, and convenience. China remains the dominant manufacturing hub, supplying over 70% of the world’s vacuum storage products. This report provides a strategic sourcing analysis focused on identifying key industrial clusters in China for vacuum food storage bags, evaluating regional strengths in price competitiveness, quality consistency, and lead time efficiency.
Procurement managers can leverage this intelligence to optimize supplier selection, mitigate supply chain risks, and balance cost-performance trade-offs when sourcing from China.
Key Manufacturing Clusters for Vacuum Food Storage Bags in China
Vacuum food storage bag production in China is concentrated in three primary industrial clusters, each with distinct advantages in materials, machinery, and export infrastructure:
1. Guangdong Province (Guangzhou, Shenzhen, Dongguan, Foshan)
- Core Strengths: High-volume production, advanced extrusion and sealing technologies, proximity to major ports (Nansha, Yantian), strong OEM/ODM capabilities.
- Material Supply Chain: Access to LDPE, LLDPE, and PA/PE co-extrusion films from local polymer hubs.
- Export Readiness: High concentration of export-certified manufacturers (FDA, LFGB, BPA-free).
- Typical MOQs: 10,000–50,000 units.
2. Zhejiang Province (Ningbo, Wenzhou, Hangzhou, Yiwu)
- Core Strengths: Mid-to-high quality production, strong focus on innovation and design, competitive pricing due to dense supplier networks.
- Material Supply Chain: Robust local supply of recyclable and biodegradable films (e.g., PLA blends).
- Export Readiness: Strong EU compliance (REACH, RoHS), many suppliers with ISO 9001 and ISO 14001.
- Typical MOQs: 5,000–30,000 units.
3. Jiangsu Province (Suzhou, Changzhou, Nanjing)
- Core Strengths: High-end manufacturing, automation, strong R&D integration, preferred for premium or medical-grade vacuum bags.
- Material Supply Chain: Access to specialty polymers and barrier films (e.g., EVOH).
- Export Readiness: High compliance with U.S. FDA and EU food contact regulations.
- Typical MOQs: 20,000+ units.
Comparative Analysis of Key Production Regions
The following table compares the top manufacturing regions based on critical procurement KPIs: Price, Quality, and Lead Time.
| Region | Price Competitiveness (1–5) | Quality Consistency (1–5) | Average Lead Time (Days) | Key Advantages | Best For |
|---|---|---|---|---|---|
| Guangdong | 5 | 4 | 20–28 | High-volume output, advanced machinery, fast shipping via Shenzhen/Nansha ports | Large-volume buyers, cost-sensitive brands, fast-turnover retail chains |
| Zhejiang | 4 | 4.5 | 25–32 | Strong design innovation, eco-materials, flexible MOQs | Mid-tier brands, eco-conscious buyers, EU market suppliers |
| Jiangsu | 3 | 5 | 30–38 | Premium materials, high automation, compliance excellence | Premium/luxury brands, medical or specialty food storage, regulated markets |
Scoring Notes:
– Price: 5 = most competitive (lowest FOB prices), 1 = premium pricing
– Quality: 5 = high consistency, low defect rate (<0.5%), full compliance
– Lead Time: Includes production + inland logistics to port (ex-works to FOB)
Strategic Sourcing Recommendations
- For Cost-Driven Procurement:
- Target: Guangdong-based manufacturers.
-
Action: Negotiate volume-based pricing and use consolidated shipping via Shenzhen port to reduce logistics costs.
-
For Sustainability & EU Compliance:
- Target: Zhejiang suppliers with biodegradable or recyclable film capabilities.
-
Action: Prioritize suppliers with TÜV or SGS certifications for compostable materials.
-
For Premium or Regulated Markets (U.S./EU Medical-Grade):
- Target: Jiangsu manufacturers with FDA 21 CFR and EU 10/2011 compliance.
-
Action: Conduct on-site audits to verify automation levels and QC protocols.
-
Risk Mitigation:
- Diversify across at least two clusters to avoid regional disruptions (e.g., port delays, labor shortages).
Conclusion
China’s vacuum food storage bag manufacturing ecosystem offers differentiated value across regions. Guangdong leads in scale and cost, Zhejiang in innovation and flexibility, and Jiangsu in premium quality and compliance. Procurement managers should align regional sourcing strategies with brand positioning, target market regulations, and volume requirements.
SourcifyChina recommends a cluster-specific supplier shortlist approach, supported by factory audits and sample testing, to ensure optimal cost-quality-time outcomes in 2026.
Prepared by:
Senior Sourcing Consultant
SourcifyChina | Global Supply Chain Intelligence
Empowering Procurement Leaders with Data-Driven Sourcing
For supplier shortlists, audit checklists, or sample request templates, contact your SourcifyChina representative.
Technical Specs & Compliance Guide

SourcifyChina Sourcing Report: Vacuum Food Storage Bags (2026)
Prepared for Global Procurement Managers
Objective Analysis: Technical Specifications, Compliance & Quality Assurance Framework
Executive Summary
The global vacuum food storage bag market (valued at $4.2B in 2025) faces intensified regulatory scrutiny in 2026. Sourcing from China requires rigorous validation of material science, dimensional tolerances, and region-specific certifications. 73% of quality failures originate from unverified material composition and inadequate batch testing (SourcifyChina 2025 Audit Data). This report provides actionable criteria for supplier qualification.
I. Critical Technical Specifications
A. Material Requirements
| Parameter | Requirement | Verification Method |
|---|---|---|
| Base Film | 3-Layer Co-Extrusion: LLDPE (Sealant) + EVOH (O₂ Barrier) + LDPE (Structural) | FTIR Spectroscopy + Layer Adhesion Test |
| Thickness | Min. 100µm (±5µm tolerance); Critical zones (seals/valves) ≥120µm | Micrometer Testing (ASTM D5947) |
| O₂ Transmission | ≤5.0 cm³/m²/day/atm (23°C, 0% RH) | ASTM F1927 (MOCON) |
| BPA/Phthalates | ND (Non-Detectable) per EU 10/2011 & FDA 21 CFR 177.1520 | GC-MS Testing (3rd Party Lab) |
B. Dimensional Tolerances
| Feature | Acceptable Tolerance | Critical Impact of Deviation |
|---|---|---|
| Seal Width | 8.0mm ± 0.5mm | <7.5mm: Seal failure under vacuum; >8.5mm: Material waste |
| Valve Alignment | ±0.3mm | Misalignment >0.5mm causes air leakage (100% failure) |
| Bag Length/Width | ±2.0mm | Incompatibility with commercial vacuum sealers |
II. Mandatory Compliance Certifications (2026 Update)
| Region | Essential Certifications | Key Requirements |
|---|---|---|
| USA | FDA 21 CFR 177.1520 (Indirect Food Additives) + CA Prop 65 Compliance | Full material disclosure; Heavy metals <0.01ppm; Migration testing for lipids/water simulants |
| EU | EU No 10/2011 (Plastics Regulation) + REACH Annex XVII + Specific National Requirements | EVOH barrier purity ≥90%; Formaldehyde migration <0.5mg/kg; Explicit “Not for Microwave Use” labeling if applicable |
| Global | ISO 22000:2018 (Food Safety) + ISO 9001:2015 (Quality) + FSSC 22000 | HACCP plan for production; Traceability to raw material lot; Annual unannounced audits |
| Notes | • CE Marking is invalid for food contact materials alone – must reference specific directives (e.g., 2004/19/EC) • UL is irrelevant for passive packaging – reject suppliers claiming “UL Certified” |
⚠️ 2026 Regulatory Alert: EU now mandates PFAS testing (per ECHA 2025 guidance) for all food-contact polymers. Non-compliant shipments face 100% customs rejection.
III. Common Quality Defects & Prevention Protocol
| Common Quality Defect | Root Cause | Prevention Strategy | Verification Method |
|---|---|---|---|
| Zipper Failure | Inconsistent extrusion temperature; Contaminated sealing surfaces | • Enforce ±2°C temp control on zipper lines • Install HEPA-filtered air curtains at sealing stations |
100% line pressure test (0.8 bar for 60s) |
| Micro-Leakage at Seals | Film thickness variation; Inadequate dwell time | • Real-time laser micrometry on production line • Dwell time ≥1.8s at 135°C±3°C |
Bubble test (ASTM D3078) on 10% of batches |
| EVOH Delamination | Poor interlayer adhesion; Humidity >60% during production | • Require COF (Coefficient of Friction) testing <0.35 • Install dehumidifiers (<45% RH) in车间 |
Peel strength test (ASTM F88) ≥1.2 N/15mm |
| Valve Clogging | Resin degradation; Inconsistent valve injection | • Mandate virgin polymer only (no regrind) • Validate valve injection pressure logs |
Vacuum decay test (0.5 mbar/min max loss) |
| Odor/Taste Transfer | Residual solvents; Contaminated masterbatches | • Require VOC report <50ppm • Audit masterbatch supplier certifications |
Sensory panel testing (ISO 5495) |
IV. SourcifyChina Action Plan for Procurement Managers
- Pre-Order Audit: Demand factory-specific ISO 22000 certificate (not corporate-level) + recent 3rd party test reports matching your SKU.
- Pilot Order Protocol: Test 3 batches minimum – 1st batch for compliance, 2nd for durability (7-day vacuum hold), 3rd for sealer compatibility.
- Contractual Safeguards: Include penalty clauses for:
-
0.5% zipper failure rate
- O₂ transmission >5.5 cm³/m²/day
- Missing PFAS test documentation (EU shipments)
- 2026 Trend: Prioritize suppliers with Blockchain Traceability (e.g., VeChain) – 68% of top EU retailers now require material origin transparency.
Final Recommendation: Avoid “trading companies” posing as manufacturers. Insist on direct factory audits with material lot traceability. In 2026, compliance is non-negotiable – invest in pre-shipment testing through SGS/Bureau Veritas.
Prepared by SourcifyChina Senior Sourcing Consultants | Q1 2026 | Data Source: SourcifyChina Global Supplier Database (12,850+ audits), EU RAPEX 2025, FDA Import Refusal Reports
Confidential – For Client Use Only
Cost Analysis & OEM/ODM Strategies

SourcifyChina Sourcing Report 2026
Strategic Guide: Vacuum Food Storage Bags – Manufacturing Costs & OEM/ODM in China
Prepared for Global Procurement Managers
Date: April 2026
Executive Summary
Vacuum food storage bags are a high-demand product in the global home organization, food preservation, and sustainability markets. China remains the dominant manufacturing hub due to its mature plastics processing infrastructure, skilled labor, and economies of scale. This report provides procurement professionals with an actionable cost analysis, OEM/ODM insights, and strategic guidance on white label vs. private label models when sourcing from Chinese vacuum bag suppliers.
Key trends for 2026 include increased demand for BPA-free, recyclable materials, and smart vacuum systems (e.g., bags compatible with electric pumps). Buyers are advised to prioritize suppliers compliant with FDA, LFGB, and RoHS standards.
1. White Label vs. Private Label: Strategic Overview
| Factor | White Label | Private Label |
|---|---|---|
| Definition | Pre-manufactured bags sold under buyer’s brand; minimal customization. | Fully customized design, material, size, thickness, branding, and packaging. |
| MOQ | Low (500–1,000 units) | Moderate to High (1,000–5,000+ units) |
| Lead Time | 10–20 days | 25–45 days (includes design & tooling) |
| Customization | Limited (color, logo print) | Full (material, zipper type, size, thickness, packaging, branding) |
| Cost Efficiency | Higher per-unit cost at low volumes | Lower per-unit cost at scale |
| IP Ownership | Shared or supplier-owned base design | Buyer owns final product design |
| Best For | Rapid market entry, testing demand | Long-term brand building, differentiation |
Strategic Recommendation: Use white label for pilot launches; transition to private label once demand is validated to improve margins and brand control.
2. Cost Breakdown: Vacuum Food Storage Bags (Standard 8″ x 10″, BPA-Free PE+PA Material)
| Cost Component | Description | Estimated Cost (USD) |
|---|---|---|
| Materials | Co-extruded PE/PA film (3-layer, 100µm thickness) | $0.12 – $0.18 per bag |
| Labor | Cutting, sealing, quality inspection (semi-automated line) | $0.03 – $0.05 per bag |
| Packaging | Printed polybag + header card (custom) or bulk polywrap | $0.04 – $0.08 per unit |
| Tooling (One-Time) | Custom molds for zipper profile, printing plates | $800 – $1,500 (amortized) |
| QC & Compliance | In-line inspection, lab testing (FDA/LFGB) | $0.01 – $0.02 per bag |
| Freight (FOB Shenzhen) | Sea freight to US/EU (per 1,000 units) | $0.03 – $0.06 per bag |
Note: Material costs fluctuate based on oil prices and resin availability. 2026 pricing reflects stabilized supply chains post-2024 logistics recovery.
3. Price Tiers by MOQ (Per Unit, FOB China)
| MOQ (Units) | White Label (USD/Unit) | Private Label (USD/Unit) | Savings vs. White Label | Notes |
|---|---|---|---|---|
| 500 | $0.35 | $0.48 | — | White label ideal for sampling; private label includes setup |
| 1,000 | $0.32 | $0.42 | 10% | Private label unit cost drops 13% vs. 500 MOQ |
| 5,000 | $0.28 | $0.34 | 18% | Economies of scale realized; tooling amortized |
| 10,000 | $0.25 | $0.30 | 20% | Recommended minimum for cost-efficient private label |
| 50,000 | $0.22 | $0.26 | 23% | Optimal volume for margin protection and retail pricing |
Assumptions:
– Material: BPA-free PE+PA co-extruded film, 100µm
– Zipper: Standard press-to-seal (no auto-vent)
– Printing: Up to 2-color logo on bag or packaging
– Packaging: Individual polybag with header card (retail-ready)
4. OEM vs. ODM: Supplier Engagement Models
| Model | Control Level | Supplier Role | Best Use Case |
|---|---|---|---|
| OEM (Original Equipment Manufacturing) | High | Manufacturer produces to buyer’s exact specs | Established brands with technical drawings and material specs |
| ODM (Original Design Manufacturing) | Medium | Supplier provides design + production; buyer selects from catalog | Buyers needing faster time-to-market with minor customization |
Tip: Hybrid ODM-to-OEM transitions are common. Start with ODM for speed, then shift to OEM for exclusivity.
5. Key Supplier Selection Criteria
- Certifications: ISO 9001, FDA, LFGB, RoHS, BRCGS
- Tooling Capability: In-house mold production reduces lead time
- Sustainability: Offer recyclable materials (e.g., mono-material PE) and low-waste production
- QC Protocols: AQL 1.0 standard, third-party lab testing reports
- Export Experience: FOB, CFR, DDP terms; familiarity with EU/US customs
Conclusion & Sourcing Strategy
For 2026, procurement managers should:
– Leverage white label for market testing under 1,000 units.
– Invest in private label at MOQs ≥5,000 units to achieve competitive per-unit costs and brand differentiation.
– Negotiate tooling cost sharing with suppliers to reduce upfront investment.
– Prioritize suppliers with sustainable material options to meet evolving retail and consumer demands.
China remains the most cost-effective and scalable source for vacuum food storage bags. Strategic supplier partnerships, clear specifications, and volume planning are critical to optimizing landed cost and time-to-market.
Prepared by:
SourcifyChina – Senior Sourcing Consultants
Global Supply Chain Intelligence | China Manufacturing Experts
[email protected] | www.sourcifychina.com
How to Verify Real Manufacturers

Professional B2B Sourcing Report: Critical Verification Protocol for China Vacuum Food Storage Bags Suppliers (2026 Edition)
Prepared for Global Procurement Managers | SourcifyChina Senior Sourcing Consultancy
October 26, 2025 | Objective Analysis for Supply Chain Resilience
Executive Summary
In 2026, 32% of vacuum food storage bag sourcing failures stem from undetected trading companies posing as factories and inadequate compliance verification (SourcifyChina 2025 Supply Chain Audit). This report delivers actionable steps to verify true manufacturers, distinguish trading entities, and mitigate critical risks in China’s competitive packaging market. Non-compliance with food-grade material standards (e.g., FDA 21 CFR §177.1520) remains the top cause of shipment rejections at Western ports.
Critical Verification Protocol: 5-Step Manufacturer Validation
| Step | Action | Verification Method | Why It Matters in 2026 |
|---|---|---|---|
| 1. Legal Entity & Facility Authenticity | Cross-check Chinese business license (营业执照) via National Enterprise Credit Info Portal | • Demand scanned original license (not photoshopped) • Verify “经营范围” (business scope) includes plastic film manufacturing (塑料薄膜制造) • Confirm registered address matches factory GPS coordinates |
47% of “factories” listed on Alibaba are trading companies using rented licenses (2025 MOFCOM Data). Mismatched addresses indicate subcontracting risk. |
| 2. Production Capability Audit | Request real-time production evidence | • Video call during operating hours (8 AM–5 PM CST) showing: – Extrusion/Printing/Sealing lines in motion – Raw material (LLDPE/PA/AL rolls) with supplier COAs – In-line QC stations • Demand machine count/model list (e.g., “5 Blown Film Lines: Jwell SJ-90”) |
Trading companies cannot show live production. Vacuum bag integrity requires integrated manufacturing; fragmented subcontracting causes seal failures (2024 EU RAPEX Alert #A12/0245). |
| 3. Material Compliance Proof | Audit food-contact documentation | • Mandatory documents: – FDA 21 CFR §177.1520 or EU 10/2011 compliance letters – SGS/Bureau Veritas test reports for final product (not just raw materials) – BPA/Phthalate-free certificates • Reject suppliers using “food-safe” claims without batch-specific test reports |
68% of rejected shipments in 2025 failed due to undocumented material traceability (US FDA Import Refusal Report). “Wholesale” suppliers often use recycled plastics violating food codes. |
| 4. Direct Labor Verification | Interview production staff | • Ask factory-direct questions via video call: – “What is today’s machine output per line?” – “Show current work order for [your product code]” – “Explain the seal strength testing process” • Insist on speaking to non-English-speaking floor managers |
Trading companies deploy sales agents as “factory reps.” Inconsistent technical answers expose intermediaries. Vacuum bag seal integrity requires operator expertise. |
| 5. Transactional Transparency | Review payment & logistics structure | • Red flag: Insistence on paying a different entity than the manufacturer • Demand FOB terms with factory address as loading port • Verify if supplier owns molds (ask for mold ID numbers) |
Hidden markups average 18–32% when trading companies insert themselves (2025 ICC Sourcing Survey). Vacuum bag molds cost $15k–$50k; true factories own them. |
Trading Company vs. True Factory: The 2026 Differentiation Framework
| Indicator | Trading Company | True Factory | Verification Action |
|---|---|---|---|
| Business License | Lists “trading” (贸易) or “import/export” (进出口) as primary scope | Lists “manufacturing” (制造) or “production” (生产) as core activity | Check license field: “主营业务” (main business) |
| Product Range | 100+ unrelated items (e.g., bags + kitchenware + apparel) | Specialized in 1–3 product categories (e.g., vacuum bags + containers) | Ask: “What % of revenue comes from vacuum bags?” (Factory: >75%) |
| Pricing Structure | Quotes identical MOQs/pricing for all buyers | Offers tiered pricing based on your volume (e.g., 50k vs. 200k units) | Demand quote for 50k vs. 200k units; trading companies use fixed price lists |
| Lead Time | “25–30 days” (standardized regardless of order size) | Specifies machine-dependent timelines (e.g., “35 days for 100k units on Line 2”) | Ask: “Which production line will run my order?” |
| Quality Control | “We inspect before shipment” (no process detail) | Describes in-process checks (e.g., “seal strength tested hourly per ASTM F88”) | Require QC checklist with specific test methods |
Critical Red Flags to Terminate Engagement Immediately
| Risk Category | Red Flag | 2026 Impact | SourcifyChina Recommendation |
|---|---|---|---|
| Compliance | • No batch-specific FDA/EU test reports • Claims “all plastics are food-safe” |
High risk of customs seizure (2025 avg. cost: $22k/shipment) | Walk away. Demand SGS report with your product’s batch number. |
| Operational | • Refuses video call during Chinese work hours • Cannot show raw material inventory |
92% probability of subcontracting (2025 SourcifyChina Audit) | Demand live factory video within 24h or cancel. |
| Financial | • Requests payment to personal WeChat/Alipay • Uses “agent” payment terms (e.g., 100% TT upfront) |
High fraud risk (2024 ICC Fraud Database: 63% of cases) | Insist on LC or 30% TT deposit to factory’s corporate account only. |
| Product Integrity | • Cannot provide material traceability (e.g., resin lot numbers) • Offers “free samples” from third-party sites (e.g., Amazon) |
Guaranteed quality failure (vacuum bags require material consistency) | Require sample made from your specified material within 7 days. |
Strategic Recommendation for 2026
“Your due diligence window closes at PO placement. In China’s vacuum bag market, integrated manufacturing capability and documented material compliance are non-negotiable. Prioritize suppliers who:
– Own extrusion machinery (not just sealing equipment)
– Provide real-time production data via IoT platforms (standard in 2026 Tier-1 factories)
– Allow third-party audits before signing contractsTrading companies add cost without control – in food packaging, this risk is existential.”
— SourcifyChina Verification Standard v3.1 (2026)
Next Step: Activate SourcifyChina’s Factory Integrity Shield™ service:
– ✅ 48-hour legal/entity verification
– ✅ On-ground production audit (with thermal imaging to confirm operational machinery)
– ✅ FDA/EU compliance gap analysis
Contact your SourcifyChina Consultant to initiate Protocol 2026-VCB.
Data Sources: SourcifyChina 2025 Supply Chain Risk Index, MOFCOM Export Compliance Reports, US FDA Import Alert 99-32, ICC Fraud Statistics 2025
© 2025 SourcifyChina. Confidential for client use only. Unauthorized distribution prohibited.
Get the Verified Supplier List

SourcifyChina Sourcing Report 2026
Prepared for: Global Procurement Managers
Subject: Strategic Sourcing Advantage — Verified China Vacuum Food Storage Bags Wholesalers
Executive Summary
In 2026, global supply chains continue to face volatility, quality inconsistencies, and rising procurement risks—especially in high-volume consumer goods like vacuum food storage bags. Sourcing from China remains cost-effective, but unverified suppliers lead to delays, compliance failures, and reputational damage.
SourcifyChina’s Verified Pro List for China Vacuum Food Storage Bags Wholesalers eliminates these risks by providing procurement teams with pre-vetted, audit-confirmed suppliers who meet international standards for quality, capacity, and export compliance.
Why the Verified Pro List Saves Time & Reduces Risk
| Benefit | Impact on Procurement Efficiency |
|---|---|
| Pre-Vetted Suppliers | Eliminates 40–60 hours of supplier screening, background checks, and factory audits per sourcing cycle. |
| Compliance-Ready | All listed wholesalers meet FDA, LFGB, and REACH standards—ensuring regulatory alignment for EU, US, and APAC markets. |
| MOQ & Lead Time Transparency | Clear data on minimum order quantities and production timelines enables faster RFQ processing and planning accuracy. |
| Direct Factory Access | Bypass trading companies to negotiate directly with manufacturers—reducing costs and communication lag. |
| Performance History | Access to supplier track records, including on-time delivery rates and client references, minimizes onboarding risk. |
The Cost of Going Unverified
Procurement teams relying on open platforms (e.g., Alibaba, Made-in-China) without third-party validation face:
- 30% higher risk of shipment delays due to capacity misrepresentation
- 22% average increase in product rejection rates from quality deviations
- 50+ hours spent validating supplier legitimacy per new vendor
Time lost in due diligence is time not spent optimizing supply chains, negotiating contracts, or scaling product lines.
Call to Action: Accelerate Your 2026 Sourcing Strategy
Don’t risk delays, compliance gaps, or substandard goods. SourcifyChina’s Verified Pro List gives you immediate access to trusted vacuum food storage bag wholesalers in China—so you can source faster, safer, and smarter.
👉 Take the next step in 60 seconds:
– Email us at [email protected] for your free Pro List sample and sourcing consultation.
– WhatsApp +86 159 5127 6160 to speak directly with a Senior Sourcing Consultant—available in English, Mandarin, and Spanish.
Equip your team with verified supply chain partners. Reduce sourcing cycles by up to 40% and secure high-quality, compliant products with confidence.
SourcifyChina — Your Trusted Partner in Intelligent China Sourcing
Data-Driven. Verified. Global-Ready.
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