The inner layer is made up of poisonless polytheve with no second pollution,it is an ideal product for drink water and food pipelines tested by China Sanitation and Antiepidemic Department.

• 内层材料为食品级聚乙烯，卫生无毒，无二次污染，经国家卫生防疫部门检测，是最理想的饮用水和食品管道。