We are Tong Yuan Plastics Co., Ltd. funded over 30 years in Taiwan, ISO9001-2008 certified, manufacture various kinds of packaging bags of structure of packaging materials of PET, PE, OPP, AL, LLDPE,NY, CPP, LDPE⦠that good for frozen foods, pet foods, powders, snacks, coffee, masks, fertilizers, insecticide, medical products, chemical products, and electronic products....., We supply the material in Roll form as well as pouches in different types. please visit our website www.tongyuan.com.tw for our product details, , please feel free to contact me should you have any question.