Shanghai DA Dong Hai Co., Ltd. is an enterprise with many China's Time Honored Brands, the enterprise possesses 10 special & distinctive dealing companies, which main deal in hardware, machinery & electric products, valve& fittings, industrial glass, sieves& meshes, instrument & meter, special gas, abrasives & abrasive tools, and plaster & carpenter tools, ect.

　　The enterprise owns 7 brands registered of "Hai Dong" valves, "Jin Mao" saw & bit, "Xin Xing" sieves & meshes, "Guang Mang" industrial glass, "Tong Mao" abrasives & abrasive tools, "Jian Gong" plaster & carpenter tools and "Da Dong Hai" hardware, machinery & electric products; acting asw agent of famous brand hardware products in the world and hardware, machinery & electric fine products at home more than 8000 kinds, it is an integration limited company with agency, foreign trade and management enterprise of Shanghai commercial and finance line many times in the past years.