Bolts、Screws、Nuts、Washers、Rivets and hose clamps Standards GB national standard, JIS Japanese standard, DIN German standard, ANSI/ASME American standard, BS British standard, ISO international standard. Pagbuo at pagproseso para sa Non-standard Ayon sa mga guhit, mga sample upang magpatuloy Materyal Hindi kinakalawang na asero, Carbon steel, Alloy steel, Titanium alloy, Aluminum alloy, Copper, Plastic at iba pang pang-industriya na materyales.