Our company, Shanghai Luke Chemical Co., Ltd. is a professional manufacturer of concrete admixture in China . Our main product is concrete additives, such as naphthalene series and polycarboxylene series water reducing admixture/superplasticizer, and modified melamine water reducing admixture/superplasticizer, etc. The production plant located in Xinjin industrial park of Chengdu covers an area of more than 40,000 square meters and the total investment is about RMB 120 million, annual output is ...