SHANG HAI YOSO CHEM&TECH CO., LTD relies on HUNAN CATALYST MANUFACTURING CO., LTD. It is

a professional international company specialized in sales and import and export of catalyst, industry chemicals, mineral materials etc. and also selling some foreign famous brand catalyst and chemicals in China.

With its own specialized international trade personnel and central laboratory, it can conduct accurate property detection and performance experiment to all chemicals, ensuring that all products ...