The Gaolong screw hardware production factory, is the Dongguan specialized production carbon steel screw, the stainless steel screw and the brass screw industrial corporation. This company has the advanced production equipment, the abundant technical force, the rich production quotes People's Republic of China standard (GB), American standard (ANSI), German standard (DIN), English standard (BSW), Japanese standard (JIS) and so on is the production datum, specially for professions and so on machinery, electronic electric appliance, toy, hardware, furniture, botanical garden tool, plastic provides each kind of superb quality tapping screw, from attacks the gib screw, the machine screw, the wall plate bolt, the textile fiber plate bolt, the socket set screw as well as the non-standard class special bolt, also the same time promotes three price chromium class environmental protection galvanization product, the environmental protection color has the white nickel. Black nickel. Zinc color and so on. In the galvanizing ingredient does not contain six price chromium. Cadmium. Lead. The mercury and so on the non-environmental protection ingredient, the salt mist test may amount to above for 100 hours, has the strong rust prevention effect, compared with suitable electric appliance. Electron. Machinery. Assembly uses product and so on sound! The company receives €œtake the guest as first, take nature as this€ serves the objective, the sincere welcome people from all walks of life come the electricity, the incoming letter, the incoming sample ordering!