Fasteners, Tools & Hardware manufacturer / supplier in China, offering 2507/250smo/S32750/2205 Stainless Steel Hex Nuts for High-Pressure and Extreme Conditions, S32750 Corrosion-Resistant Nuts with Superior Strength for Subsea Equipment, Heavy-Duty 2507/S32750 Duplex Stainless Steel Nuts for Oil and Gas Industries and so on.