The Trends and Automation Needs of Bag Making Machine. The applications of bag machine is related to many major industry of people’s livelihood, such as food industry, chemical industry and pharmaceutical industry. The is huge market of bag making machine behind us to meet the consumption of supplies. China Bag Making Machine and packaging machine industry association predicts that the total value of the domestic food industry and packaging bag machine industry will reach 130 billion yuan in 2010, while the market demand may reach 200 billion yuan. As one of flexible packaging equipment, bag making machine has a huge market potential and good development space.