Shanghai Dewang Aluminum Co.Ltd ,Shanghai Gangwang Industry Co.Ltd, was firstly founded in 1995 and located in Shanghai which is an IATF16949,2016 certified enterprise. The company covers an area of more than 20000 square meters, is a professional manufacturer of aluminum extrusion profiles aluminum ladder, aluminum mushroom growing shelves aluminum carport, aluminum heastsink and a veriety of aluminum products.brbrOEM and ODM services are available> We always making our greatest efforts to meet the special needs of customers.br