1.high quality &competitive price 2.various anodized color 3.processing by ... from D25mm to D820mm 4, Pipe fitting made of steel plate from D630mm to D3320mm 5, Socket ... company, we feature durability, regular and consistent supply of quality and high performance in our products..Our ... Xin'gang Avenue, Xinzheng Airport, Zhengzhou, Henan,China,with many years experiences in pipe fittings.We have advanced ...