heat seal foil bag 1.OEM is welcome 2.free take sample 3.spec is flexible 4.high quality Shenzhen YongLianTai Plastic Packing Co., Ltd. Our company specialized in producing all kinds of flat seal bags, self-adhesive bags, header and self-adhesive bags, zip lock bags, middle side seal bags, gift bags, compound bags in OPP, PP, PO, PP, CPP, PE, PET, etc.; PVC gift packing; silk screen printing; ...