Great-tek Ind. Co., Ltd.
we provide dies & molds, investment castings, precision casting, lost wax castings, surface finishs, mechanical polish, dyes, powder paintings, electrolysis polish, shaking grinds, special process, water-soluble wax, ceramics, valves, pumps, knife, forks, hand tools, hardwares, motor parts, ultra purity fittings, welding assembly, 3way (4 way) ball valve, gate valve, globe ...

Taiwan 
China 











