Yonggao Co., Ltd. Has become one of the leading international manufacturers of plastic valve and fittings since the foundation in 1993&perio...
Products Feature 1, Black PE pipeline uv resistant, ageing resistance, long service life of 50 years.
2, Smooth inner wall, small frictional resistance,save energy, Health perform...
Products Feature 1, Black PE pipeline uv resistant, ageing resistance, long service life of 50 years.
2, Smooth inner wall, small frictional resistance,s...