ZHENGZHOU WELCOM TECH. CO. LTD, Welcom is a professional manufacturer and exporter of chemicals raw materials ,especially Plastic & Paint Chemicals, Water Treatment Chemicals, Rubber auxiliary...

No 3 Renmin Road NO.293 ,Hualong District ,, Puyang, Henan, China

Shanghai Longjie international Co.,Ltd  is a professional chemical manufacturer and exporter, which was established in 2004, located in tianjin city, China. We have more than 500 excellent staffs and...