Maanshan Fourpack Paper Products Co., Ltd. is located in Maanshan, Anhui, China. We are a professional manufacturer near to Shanghai Port. About our factory, 1. First-ever FDA and BPA free, 27 inspections points from Raw material to finish product, from lot number to date code, COA of raw material, well labeled for every material of pre-production 2. Conformity and non-conformity control of semi-product, finish goods, 3. Line clearance when production adjustment, machine status with process parameter.