oduction and sales of large-LO warfare equipment and new technology products, follow the conditions to open recover combination packaging equipment, packaging machinery to accelerate the upgrading and further develop domestic and international markets. The late 1970s, China has introduced plastic woven bag, followed by the introduction of textile equipment. Textile durable plastic packaging for its constancy, low cost, making the heavy bag type, by the heads of today's industry is only part of fire clay, chemical materials, food and feed use. Its equipment bag basically follows the lower end of the old year is playing drum roll forming machine, then use the sewing machine seam. Seam bags with valve port, its corner with a valve port, these pocket-type has also been used for many years, the trend is slowly being laid off, the device has also been aging in urgent need of updating. Bottom bags are bags of paste-type preferred international flow ended, it has the following ten nights become heavy bag special face in the crowd: In stable, low cost, progressive loading rate, easy to implement automation pocket, good environmental performance progress bag delivery function, improved stack invariance, full trick warehouse shipped skills, self-reliance and strong, easy to identify. From the 1980s, possessions prosperous country basically completed the transition from
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