grooved couplings manufacturers china

Our Lab for testing the material (bolt,nut,seal ring,sands,coal,etc) and the finished
products
1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying, etc.
2) Industrial pipeline system on shipping,mine,textile oil field,powder plant, etc.
3) Pipeline system on subway station, railway station airport, seaport, bridge, etc
Notes:
1.Gasket rings of different materials will be used for different liquid mediums.
2.Products can be supplied as per customers requirments.
our company as a malleable iron pipe fittings supplier ,if you need that pls contact us.