We are a leading Valve Manufacturer in China, offering top-quality Bolts & Nuts, Gaskets, Flanges, Steel Pipes, Industrial Valves, and Pipe Fittings....
(polyamide) Is A Synthetic Fabric Made From
Petroleum Products, And There Are Two Different Types Which Is Nylon 6 &
66. Nylon Has Good Tenacity And Elasti...
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