Modified atmosphere packaging as a food packaging technology has a long history in the use of food packaging, as early as in the 1930s Europe and the United States has begun to study the use of CO2 gas to preserve meat products; in the 1950s research and development of N2 and CO2 gas replacement beef cans and cheese cans of air, useful extension of the shelf life; in the 1960s due to the various; With the development of air-tightness plastic packaging materials, many foods such as meat, fruit, vegetables, cakes, tea and dairy products have successfully selected the gas displacement packaging skills; in the 1970s, the air-tightness plastic packaging of fresh meat was widely used in Europe and America, and the air-conditioned packaging has flourished all over the world. It can be said that the modified atmosphere packaging skills in the use of food packaging machine is very sophisticated, in modern food packaging profession is very common.
July 2024 data: China's construction machinery import and export trade volume was 4.621 billion US dollars, a year-on-year increase of 6.74%. Among them, the export value was 4.392 billion US dollars, a year-on-year increase of 7.21%; The import value was 230 million US dollars, a year-on-year decrease of 1.43%. (Source: China Construction Machinery Information Network)
Data for the first half of 2024: China's construction machinery import and export trade volume was 27.134 billion US dollars, a year-on-year increase of 3.13%. Among them, the export value was 25.837 billion US dollars, a year-on-year increase of 3.38%; The import value was 1.297 billion US dollars, a year-on-year decrease of 1.65%. (Source: WeChat public platform)
