How Do We Control the Quality of Wangji’s Products

Quality control is the most important part in the production process of water bottles. Shanghai Wangji Industry Co., Ltd pays the highest attention to quality control. We have more than 100 quality inspectors and check each procedure of manufacturing during bulk production. All the packed parcel will be put in the warehouse, we will casually pick 80-500pcs from 500-150000pcs finished products based on International inspection standard, then inspect measurement, product decoration,  material testing, paint adhesion test, leak test and insulation checking.