At ZHONGFENG, we have over 20 years of experience in manufacturing and researching bag making machines. During this time we have learned a few things about the manufacturing process and we want to pass this on to you. When you know how plastic bags are made, you will know for yourself the difference between a high quality product and an imitation.
China's packaging machinery industry began to develop in the last century, to the 1990s into a period of rapid development. At present, has basically formed a complete industrial system. With the increasing demand for plastic packaging bags in the food and beverage industry, the production of plastic packaging bags has developed rapidly. Packaging bags continue to update and further develop domest