Haida Instruments - Mandatory Instrument Standards Safety Requirements for GB6738-86 Electrical Measurement Indication and Recording Instruments and Accessories Dongguan Haida equipment specializing in the production of carton compression testing machine , burst strength testing machine, drop test bench , vibration testing machine and other packaging testing equipment, welcome to call! For more detailed product series and related technical parameters, please contact: National Unified Service Hotline: 400-0711-808 Haida International Instrument: 0769-89280808 company website: We are manufacturer of Square Bottom Poly Plastic Bags in China, Side gussets and bottom seams that form a square, or block, bottom allows the bag to stand upright. Unique square-bottom gusset, which allows the bag to stand upright. Multiple uses: bulk food, bakery, gardening/soil items, etc. High strength – Puncture resistant. Poly plastic bag , ziplock bag , self adhesive bag . Square Bottom Poly Plastic Bags Square Bottom Poly Plastic Bags,Sealable Plastic Bags,Large Plastic Bags,Foil Plastic Bag DongGuan SanQun Packing Products Co.,Ltd , http://www.sanqunpacking.com
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