Jiangyin Longding Decoration Material Co., Ltd. is a subsidiary of Longding Group who is professional serves for building doors and windows profiles, railway, car, photovoltaic products, solar, IT, mobile phone aluminum, communications, electrical, electrical, mechanicl, high-speed rail, transportation, refrigerated containers etc., special aluminum profiles for 23 years. Total covers an area of 250, 000 square meters. We have advanced equipment, technology and rich experience in aluminum extrus...