1.CE approved 2.material:Rubber or PVC 3.ID:6.3MM. ... as our principle. With advanced process, strict testing, high quality materials, and great effort of our workers, all ... we produce have the CE certificate(regulator-EN12864, rubber hose-EN559,BS3212,DVGW), exported to more than 20 ... under the principle of credit, efficiency, strict quality control system and famous management.We sincerely welcome ...