1.certificate:ISO9001:2000 ISO14001 QS 2.over 10 years factory experience 3.plastic film 4.plastic packing bags 1. Material : PA/PE, OPP/PE, PET/PE, OPP/CPP, PA/CPP, PET/PA/CPP, PET/VMPET/PE, PET/VMPET/CPP, PET/AL/PE, PET/AL/CPP or according to your request2. Style : 3-side seal, mid-bottom seal, back seal, self-supported, zipper and for your request3. Specification : according to client's ...