久久久久亚洲一区二区三区四区,日韩AV无码一区二区三区网站,欧美久久九九精品色客,欧美日韩综合精品二区www.lryhq.com

Zhejiang Shangyu Zhengkang Chemicals Co.,Ltd. is the provincial key welfare enterprise and the technology chemical enterprise with science, development, production and operation. The company is located in Daoxu town of Shangyu city in Zhejiang province and enjoys very convenient transportation.

The company stresses scientific management and technological innovation development, and emphasizes talent introduction and cultivation, and takes cooperation and communication with many domestic colleges and scientific research institutes and dedicates to introduction and digestion of domestic and external advanced technology. Our main products include assist series (textile printing dyeing, pretreatment assist, waterproof oil repellent, and others)