A new generation of cement bags - Flat-bottomed valve jaws paper bags

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The total annual output of cement in China amounts to 500 million tons, ranking first in the world, and growing at a rate of 5% annually. Among them, bagged cement accounted for more than 85%, and annual cement bags required about 8 billion. Recently, the actual loss caused by unqualified packaging of cement in China reached 4.5%. To this end, the State Bureau of Technical Supervision issued the national standard for GB9774-1996 "Cement Bags" in September 1996. This standard is a mandatory standard, implemented since January 1, 1997. More than 40% of cement bags in China are eliminated.
The emergence of flat-bottomed valve-retaining ribbed paper bags was the first in the country to meet the requirements of the national standard, and has obtained national patents. It is a new generation of cement packaging products.
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