Yongshengda is a professional co***ny for designing and manufacture U_flash and plastic products, especially for Soft plastic gift commodities. For example: plastic shell for USB Memory Products, Plastic seal, Belt card, and PVC dripping plastic products. On field of USB shell making, we are one of pioneer factories in design and manufacture USB plastic shell in Shenzhen China and lead the market on designing. more than 1,800 USB plastic shells are on exhibition, for varies aspects of life.
We have mec...
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