Easywell is dedicated to research and develop water filters in order to sell legally in China, showing the related China Health Permit Approval as follows : Model:CTE-210,UTE-210,CTE-200,UTE-200 Model:RO-415,ROP-415 Model:ROC-189,ROC-101,ROC-169,ROQ-3815,ROQ-3816,ROF700,ROF808,ROQ-C815ST,ROQ-T815ST