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How to weld the dry bag accessories: • How to Make PVC Waterp...
www.danrel.com/High-Frequency...
Email: sales@danrel.com; WhatsApp: +86-15899697780;
Mutiple high frequency welding machines and welding molds(dies) are required to make a PVC waterproof dry bag, Danrel provides tooling design service for various dry bags, welcome to send us a bag sample to get a complete quotation. Contact us today to learn more.