秋霞在线_国产一级黄色_这里只有精品99.re_91国际视频_《久久久精品人妻av一区二区》_亚洲av网站_久久久久久99_欧美怡红院一区二区三区_亚洲精品制服丝袜四区_WWW亚洲精品久久久乳_免费AAA黄色一级片_又紧又嫩又爽无遮挡免费_一级黄色性爱_伊人AV天堂_国产精品多P对白交换绿帽

SOLUTION

  • Construction Material Industry

    In the field of building materials, it is mainly used for automatic packaging of gypsum powder, putty powder, ceramic tile binder, sealant, waterproof paint and other special mortar products.

  • Chemical raw material industry

    In the field of chemical industry, industrial products are mainly used for automatic packaging of chemical products such as silicon dioxide and grade plastic. The application of valve pockets is expanding with the development of downstream products to be packaged.