topseller chemicals co., ltd is a joint venture,as one of leading manufacturers/exporters of detergent powder in china, we enjoy highly reputation in both domestic and international markets.our annual export volume is 100,000 mts . the company has some advantages as follow: 1 our company has passed the iso9000 authentication,and it has intact assurance systems. 2 oem manufacturing is welcomed, and can follow custom’s requirements to produce various specifications.specifications of the package are from 15g to 25kg. 3 company has the biggest production line of small package of the whole country,especially it is good at making small connected specifications. 4 only 7km from company to longkou port,products are exported to worldwide conveniently.