Qingdao Heng Tai Industries Co., Ltd. is the pioneer in the PCCP industry and bottom-pasted paper bag industry in China. Both these 2 industries have about 20-year history in China and there are about 50 factories in either of these 2 fields now. Upon our teams' efforts, we set up most of these factories with our technology and our equipment. Our company also coincides with the growth of these 2...