Donghuan Casting

Our factory is the professional manufacturer of malleable iron pipe fittings in China, with long history and unchanging faith of producing high quality products. Main productsMalleable iron pipe fittings,Tube clamps,Air hose couplings,Camlock couplings,Carbon steel pipe nipples,Electric power fittings. A. Founded in 1986, Covering square meters, having more than 200 workers. B. From purchasing material, casting, annealing, trimming, galvanizing, machining, packing, to exporting, have formed stop production system. C. Various casting techniques: hand molding, Semi-automatic machine molding, automatic machine molding, precoated sand core Semi-automatic machine molding, coated sand core automatic machine molding, fully coated sand modeling. Most suitable casting way can be defined according to any products. D. casting surface: our own researched prescription of sand and mold design is used, there’s no joint line, no shift, no sand inclusion, no crack on products, we will satisfy every client. E. Material assurance: on –the –spot sample analysis+ chemical composition analysis after casting, double tests to guarantee stability of material. Electric heating automatic temperature control equipment can precisely control the furnace heats uniformly to ensure product are with the same tenacity. F. Surface treatment: self-color + rust preventing oil, electroplating, hot dip galvanizing, first electroplating and then hot dip galvanizing, first electroplating and then backed galvanizing, first electroplating and then plastic spraying. Different products need different surface treatment, best surface treatment can be defined according to different products.