Hangzhou Chang Yu Chemicals Import & Export Co., Ltd. is located in Xiaoshan Hangzhou China . Changyu chemicals is always dedicated to become a major supplier of many basic Chemical material. Our products series mainly including alkali,organic acid ,salt,oxide,pigment, surfactant and others .As a licensed exporter ,we own our factory with strict quality control system. We have been approved with ISO9001.Since foundation,our team always provide customers with superior quality products and serve professionally. We welcome custoumers around the world to set business relationship
