Nanjing Yinqi Biological Engineering Co., Ltd

Specialized in producing aromatic hydrocarbon sulfonic acid and their derivates.Seeing quality control,enviroment protection and safe production as the standpoint of company.Whenever you deal with us,you will find that:
-W
e supply flexible and thoughtful dervices for you
-You can enjoy one-step perchasing of our products.
-We have uniq qua
lity control sysytem to ensure constantly high quality goods.
-We ensure that products ,packaging and transportation method
s are tailored to meet your needs.
It'll be our pleasure to be on service of you in near future.Your any trial order will b
e highly appreciated.