WE ARE PROFESSIONAL WATERPROOF BAGS MANUFACTURER SINCE 1992. THERE ARE ABOUT 10,Website:http://www.qzaodobag.com,000 SQUARE METERS BUILDINGS, 450 WORKERS,INCLUDED KINDS OF PROFESSIONAL MACHINES LIKE Hydraulic cutting machine, laser cutting machine, ultrasonic machine, hot-press ETC., WITH KINDS OF COMPUTER STITCHING MACHINES AND COMPUTER PLATFORM...