valves, electric hydraulic actuators, pipe fittings, quick connectors and rotary joints. Our products are widely used in metallurgy, mining, power, chemical industry, petroleum, shipping vehicle instrument, textile ...

valve, various standard fastener such as GB, ANSI, DIN, JIS, BS and non-standard fasteners , especially large or long in size or length, various stainless fasteners, sets of high strength bolts with large hexagon head ...

valve test-bed, also being equipped with four small and large scale homemade mechanical valve test-beds, meanwhile, we have physical and chemical testing equipments as one set of Brinell hardness tester and Rockwell ...