?SUMMIT corporation is capable of professional R&D, owns the national patent for self clean glaze on the surface of the ceramic toilet and basin, Summit has gained the approval of ISO9001 quality management system, CUPC & CE certifications. SUMMIT has gained the certificate for product exemption from quality surveillance inspection in 2007. Also, Summit has gain the name of environment protection factory from China government. Summit corporation has set up wide sales network in domestic and inte...