Suzhou SUNBO Chemical Building Materials Co., Ltd is a professional manufacturer of concrete admixtures in China.Currently, we are specialized in producing many kinds of high quality concrete admixtures, our products including: Sulphonate Melamine Formaldehyde Resin Based Superplasticizer Polycarboxylate Based Superplasticizer Color Cement Brightener Gypsum Retarder All the SUNBO products have past the ISO quality approval. Delivering top quality products at the most competitive price to customers across the globe has always been SUNBO's mission. By introducing the advanced producing technologies and equipments of the world, we have set up the scientific management system and quality control system. Now our products have been exported to many European and Americ..