ZHEJIANG ZHENGWEI MACHINERY CO., LTD was established.
Realize the transition from non-woven flat pock manual to equipment automation.
Began to independently develop non-woven box bag making machine.
Preliminary completion of non-woven 3d bag research and development of bag making machine.
Development of PP 3d bag making machine for project approval and achieved success in 2022.
Successfully independently developed plastic 3d bag making machine.
Independently developed a new structure of paper square bottom making machine.
Relocate to the new factory building on linhu road covering an area of 60 acres.
Crease-free sheet feeding paper bag making machine is available in busy production.
