Our company was founded in 1991(before it is called Shanghai Zhongfu packing factory), it has nearly 20 years history for making plastic bag making machines. During these period, the technicians of our factory has successfully developed 300 type, 400 type, 500 type, 600 type, 800 type double feeding and 1000 type high speed bag making machines by adhering to the principle that science and technology is the first productive force, and working hard innovating boldly. The machines designed by our company are simple and beautiful, handling easily, high efficiency and stable, also long life and...