China Coal Group New Energy Import & Export Co.,Ltd

The main function of vacuum packaging is to remove oxygen and various gases in the air to help prevent food spoilage.

On the afternoon of July 2, Song Xianli, Deputy Director of Jining Technician College, Xu Hongchang, Secretary of the Party Committee of the CNC Department, Sun Kuan, the school-enterprise cooperation

To celebrate the 98th anniversary of the founding of the Communist Party of China, review the party's glorious course, carry forward the party's fine traditions, and enhance the cohesiveness and comba

On the morning of June 29, the Jining City Retired Military Affairs Bureau and Jining City Human Resources and Social Security Bureau and the Communist Youth League Jining Municipal Committee jointly

With the continuous development of the machinery industry, the sealing machine has quietly become an indispensable mechanical equipment in the production industry. Nowadays, the industry is constantly

Sealing is not one of the common failures of the continuous sealing machine. The sealing is not strong. There are three layers of meaning: 1 The sealing of the bag cannot be sealed; 2 Under the pressu