We are a leading manifold heat insulator manufacturer in China. 1. International quality certification 2.High quality but low price 3.Professional service Shanghai Dongchang Enterprise Group Co., Ltd. is a large-sized enterprise group, among the Top 50 Enterprise Groups in Shanghai in terms of overall strength.The main operations of Dongcang Group includeCar Sale ServiceManufacturing IndustryIntegrated Management of Modern Production ServiceTradeReal Estate Development