The material of Grooved Couplings is ductile iron, and the surface is treated with paint, epoxy resin and galvanized. The main uses of Grooved Couplings are as follows
Our company was founded in 1990 and has more than 30 years of production and sales experience. Grooved Couplings and other products have passed quality inspections, so you will not be disappointed when you choose our products.