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。