Sourcing, Technical & Compliance FAQ

Get straightforward answers to the most common questions about manufacturing, quality control, and global shipping with Yeshine.

Corporate Trust & The Dual-Engine Model
Why should I work with Yeshine instead of buying directly from a traditional mainland factory?
Traditional factories often lack international legal accountability and English-speaking technical support. Yeshine uses a "Dual-Engine Model." You sign contracts and process payments with our Hong Kong headquarters under Common Law for absolute financial security. Meanwhile, your products are engineered and manufactured directly at our Dongguan Songshan Lake operations center. You get factory-direct pricing with global corporate security.
Are my funds secure? What payment terms do you offer?
Yes. Because all financial transactions are handled through our Hong Kong corporate bank accounts, you bypass the complexities and risks of mainland capital controls. We accept standard B2B terms (T/T, L/C) in USD and EUR.
Do you manufacture your own products or outsource them?
We control the core manufacturing. Our Dongguan tech hub handles the extrusion, polymer blending, printing, and bag-making processes. We do not operate as a blind broker. When you partner with us, you are buying directly from the source.
Will you sign a Non-Disclosure Agreement (NDA) for my custom packaging designs?
Absolutely. We respect your Intellectual Property (IP). Our Hong Kong legal entity allows us to sign and strictly enforce international NDAs, ensuring your custom print designs, proprietary dimensions, and supply chain data remain 100% confidential.
Quality Control & Verification
How do you guarantee the bulk order matches the quality of the sample?
We eliminate the "sample trap" using our Digital QC process. Twenty-four hours before your container is loaded, we send you a recorded video report showing the tensile strength, thickness (microns), and print quality tests of your actual production batch. You verify the quality before it ships.
Can I hire a third-party inspector (like SGS or Intertek) to visit your facility?
Yes, we actively welcome third-party inspections. Transparency is a core value at Yeshine. Your appointed inspectors are always permitted to visit our Dongguan facility to conduct pre-shipment inspections (PSI) or factory audits.
How do you ensure correct film thickness across high-volume orders?
Inconsistent film thickness leads to machine jams and broken pallets. We utilize automated gauge controls during the extrusion process to maintain strict micron tolerances. Our lab continuously tests the web profile to ensure the 1000th roll is identical to the first.
What happens if there is a defect in my shipment?
We stand behind our engineering. Because every batch is digitally recorded and barcoded, we have complete traceability. If a defect occurs due to our manufacturing process, we swiftly replace the affected goods or credit your account.
Global Compliance & Sustainability
Can your packaging help us avoid the European Union Plastic Packaging Tax (PPWR)?
Yes. For EU and UK markets, we supply stretch wrap and poly mailers made from Post-Consumer Recycled (PCR) resin. We are fully Global Recycled Standard (GRS) certified, and we provide the necessary Transaction Certificates (TC) so your business can legally bypass virgin plastic taxes.
Are your paper corner boards exempt from ISPM-15 fumigation rules?
100%. Our paper V-boards and edge protectors contain zero raw wood. They are entirely exempt from ISPM-15 regulations. You face no fumigation costs and no quarantine delays from strict customs authorities like Australia's AQIS.
Do you offer 100% compostable options for e-commerce brands?
Yes. We manufacture shipping mailers and inner garment bags using PBAT and PLA plant-based materials. They hold the OK Compost Home certification and break down naturally within 180 days, aligning perfectly with your corporate ESG targets.
Are your covers safe for transporting food or pharmaceutical products?
Yes, we use 100% virgin, BPA-free resins for our food and pharma-grade liners. They comply with international safety standards, ensuring no chemical leaching occurs during transit or storage.
Customization & Manufacturing Capabilities
What is the Minimum Order Quantity (MOQ) for custom-printed bags or covers?
For custom flexographic printing or highly specific resin blends, our MOQ typically starts at 10,000 to 20,000 units or 1-2 tons of material, depending on exact dimensions. For unprinted standard sizes, the MOQ is significantly lower.
Do you charge a setup fee for custom printing?
Yes, there is a one-time cylinder (plate) fee for custom flexographic printing, charged per color. Once the cylinder is created, we keep it in our facility for all your future repeat orders, and you will not be charged this fee again.
Can you engineer stretch wrap for specific automated wrapping machines?
Absolutely. Film that snaps on automated machines kills your warehouse efficiency. We customize the slip and cling levels and engineer the resin for up to 350% pre-stretch based on the exact RPM and tension settings of your equipment.
Do you provide exact 3D-gusseted sizing for irregular pallets or furniture?
Yes. Generic flat bags leave loose plastic flapping in the wind. We use precision welding to create custom 3D gussets based on your specific CAD dimensions or pallet sizes, ensuring a tight, wind-resistant fit.
Shipping & Logistics
Do you handle international shipping, or do I need my own freight forwarder?
We are highly flexible. Our Hong Kong logistics team can handle everything from our factory door to your warehouse door (DDP - Delivered Duty Paid). Alternatively, if you have your own forwarder, we are happy to ship FOB Shenzhen or Hong Kong.
What is your standard lead time for a 40HQ container?
Our standard production lead time is 2 to 3 weeks after sample approval and deposit. Ocean freight transit times vary by destination (typically 14-20 days to the US West Coast, and 25-30 days to Europe).
Can I mix different packaging products in a single container?
Yes! This is a major advantage of working with Yeshine. You can consolidate stretch wrap, corner boards, and poly mailers into a single 20ft or 40HQ container, optimizing your freight costs and simplifying your procurement process.
How do you package the goods so they aren't damaged during ocean freight?
We practice what we preach. Your order will be packed on export-grade pallets, secured with our own heavy-duty corner boards, wrapped in our nano-layer stretch film, and covered with our waterproof hoods. Your packaging materials arrive in pristine condition.

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