helical compression spring, leaf spring, volute spring, torsion spring, extension spring, electrical line overhead materials, grid spring, r clip, zig zag spring, hot coils spring, coils spring , spiral spring, constant force spring, carbon holder spring,

investment casting:pipe fittings for food industry, machine parts, marine hardware, building hardware, pump, ball valves, etc. the materials we can make are stainless steel, carbon steel and copper alloy, etc.

fasteners including gb, din, ansi, iso, jis, uni and other standards and non-standard fasteners, with materials of carbon steel, alloy steel, stainless steel, copper, etc.