Hansen Sanitary Trading Co., Ltd build up in cartridge of sanitary ware. We have been focused in studying cartridge of sanitary ware since November, 2001. And We have been working in this area for more than 5 years, so we have a lot of experience in this line. We offer qualified goods, fast delivery and long-time warranty. Our high quality, efficient customer service for series products of cartridge have been widely recognized. In order To completing the implementation of quality control to ensure each inspection effective, our company make production strictly according to the ISO 9001 international standards, and we also comprehensively improve enterprise management to enhance efficiency and reduce the cost.