All of our raw materials meet the standards for food grade materials, such as BOPP,LDPE,PET,VMPET,PE,AL,CPP,PTP,PA,PVC and so on. We employ strict tests for all our material suppliers, and specialized testing people are deployed to conduct all around tests for every batch of incoming materials.
Our professional testing lab is equipped with advanced testing equipment to ensure the quality of our raw materials and finished products. The test categories include rupture strength, peel strength, microbial limit, pinhole degree, and residual solvent, heavy metal content, water vapor permeation volume, and so on. Only qualified products are sold to customers.