Casting Products, Camlock Coupling, Pipe Fittings manufacturer / supplier in China, offering Corrosion-Resistant Reducing Camlock Couplings Ideal for Acid and Alkali Line Size Adjustments, High-Load 316L Stainless Strap Hinge for Barn Doors, Heavy-Duty 304 Stainless Butt Hinge for Fire-Rated Doors and so on.