Taizhou Olanda Industry Co., Ltd , is a non-ferrous metal manufacturer specializing in producing high conductivity copper castings, such as fittings for radiator, air-conditioner, manifold gauge automobile, and together with sanitary accessories, ...

Established in 1994,Co-Joint Hardware Industrial Co., Ltd is a professional OEM manufacturer wide range of copper alloy, brass, zinc stainless steel and other hardware products. Our company factory are located Shenzhen, Guangdong P.R., China, the ...