We have a very professional laboratory with full serious of testing and inspection as leak testing, raw material receiving inspection, batch chemical composition inspection, microstructure testing, dimension inspection, first article inspection, in-process inspection and final visual inspection in order to ensure the product quality.
The Jizhong grooved piping
system is one of the most advanced, versatile, economical and reliable systems available today. After the pipe ends are grooved a gasket is stretched over the pipe ends. The coupling segments are then placed over the gasket and the bolts and nuts are fastened resulting In a secure and leak free joint.
1) Automatic sprinkler system for fire production on commercial,civil and municipal constructions like water supplying ,gas supplying , heat supplying , etc
2)Industrial pipeline system on shipping , mine , textile oil field , power plant , etc
3)Pipeline system on subway station , railway station airport , seaport, brided , etc
our company as a malleable iron pipe fittings factory
,if you need that pls contact us.