Company Description
Specializing in aromatic hydrocarbon sulfonci acid and their derivates,
Nanjing Yinqi Biological Engineering Co., Ltd see quality control, safe production and environment protection as the standpoint of our company.We deal with our customers on the basis of mutual benefit and equality, we will supply high quality products and sincere services for you.You will get from door to door services from here.We'd like to build business relationship with you in this field.