Naphthol green B biological stain 19381-50-1 CAS NO.19381-50-1

chengdu yanxi is a comprehensive manufacturer and an international distribution of products throughout the world. specialized in scrap metal, chemical raw materials, paper products and color industry. we aim to become leading position in global distribution and trading based on a rather unique combination of technical skill, unrivalled supplier network, market knowledge and an absolute commitment to customer satisfaction.

under a management team with professional experiences in chemical development, a pathbreaking optimization in our r&d center, advanced multi-purpose manufacturing facility, we can finish synthesis as client requirements and provide our customers for assured supply, high quality products, low costs and integrated excellent services.

chengdu yanxi headquarters are located in chengdu, china. chengdu yanxi import & export trading co., ltd. is one of wholly- owned subsidiaries and is in charge of all business of chengdu yanxi. our mission and passion is to bring quality chinese ingredients to global customers and become a strong bridge between a changing china and the changing needs of our clients. our faith is “focus, then best”.

1.can provide the sample

2.high quality and low price

3.service guarantee

4.big supplier