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With the improvement of automation, the operation, maintenance and daily maintenance of the vacuum packaging machine are more convenient and simple, which reduces the professional skill requirements o

In accordance with the working arrangements of the Municipal Party Committee and the Municipal Government, on the morning of July 24, the commencement ceremony of the major projects of the new and old

It was the first development period from the 1950s to the mid-1980s, which began with the manufacture of simple air extractors. At that time, there were less than 20 enterprises producing vacuum packa

In order to better help E-commerce new employees to improve their business capabilities and master their work skills, on July 20th, the China Coal Group E-commerce business capacity improvement traini

In order to actively respond to the current complicated and ever-changing international economic situation, further enhance the awareness of the foreign trade enterprises on the current policies, and