Yiduo Plastic Products Co., Ltd. brings over 15 years of manufacturing excellence to zipper bag production. Our specialized sewing techniques create superior waterproof bags that outperform standard products in durability and functionality. As a direct factory based in Ningbo, China since 2008, we combine innovative sewing technology with strict quality control to deliver bags that withstand rigorous daily use while maintaining perfect zipper alignment.
What sets our zipper bag sewing apart is our proprietary stitching method that reinforces stress points and prevents seam failures. Unlike competitors, we use heavy-duty thread and precise tension control during sewing, resulting in bags that can carry 50% more weight than industry averages. Our production facility houses advanced computerized sewing equipment operated by skilled technicians, ensuring consistent quality across all orders whether for small businesses or large retailers.
Our precision-sewn zipper bags serve diverse industries with reliable storage solutions. The waterproof PVC material makes them ideal for cosmetics professionals needing leak-proof containers, while the smooth zipper action benefits electronics manufacturers storing delicate components. Jewelry designers appreciate our velvet-lined options that prevent scratches, and outdoor brands utilize our tear-resistant variants for camping gear organization. Each bag undergoes waterproof testing at 3,000Pa pressure, guaranteeing protection even in heavy rain conditions.
We source premium PVC material (0.15mm-0.8mm thickness options) that passes REACH and FDA compliance tests. The zippers are corrosion-resistant YKK brand or equivalent quality, with our reinforced box-sewn corners adding 30% more structural integrity. For special applications, we offer fire-retardant, anti-static, and food-grade material variants. The interior can be customized with various linings including nylon, polyester, or non-woven fabrics depending on your product requirements.
From prototype to mass production, our design team collaborates with clients to create tailored solutions. We can produce zipper bags in any dimension from 3cm mini pouches to 150cm large storage cases, with options for clear windows, dividers, gussets, or special openings. Printing services include silk screening (up to 8 colors), heat transfer, and digital printing with resolution up to 1440dpi. Private labeling with your logo or brand elements helps create cohesive product lines.
| Parameter | Specification |
|---|---|
| Material Options | PVC, EVA, OPP, Non-woven fabric |
| Zipper Types | Metal, plastic, waterproof, reversible |
| Size Range | 3cm - 150cm (custom sizes available) |
| Weight Capacity | 1kg - 20kg depending on size/material |
| Standard Colors | Clear, black, white + 12 Pantone options |
| Lead Time | 7-15 days for samples, 15-30 days for bulk |
| Certifications | ISO 9001, REACH, FDA (upon request) |
Our proprietary sewing technique reinforces stress points with double stitching and uses marine-grade thread for extra durability. The precision alignment prevents zipper jamming even after 10,000+ openings.
Yes, we accommodate orders from 100 pieces upwards with no minimum for sample requests. Smaller orders receive the same quality control as large production runs.
Every production batch undergoes submersion testing - bags must withstand 48 hours underwater without leakage. Seams are sealed with ultrasonic welding or waterproof tape when requested.
Our 8,000 sqm facility can produce 500,000+ zipper bags monthly with quick turnaround times. We maintain buffer stock for popular sizes/colors to expedite shipments.
Address
NO.2 HONGXING ROAD JIANGBEI DISTRICT,NINGBO,CHINA
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