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 more than 680,000 tons which can be applied to over 68 million cubic meters concrete. Our products are widely used for municipal engineering, real estate projects and all kinds of national and provincial key projects, such as highway, bridge, tunnel and metro etc. Some of them has been exported to foreign countries, and enjoyed good reputation.