Jinan Zhengtongda Equipment Co., Ltd. was established in July, 2000. We are a new high-tech private enterprise integrating the production, research and development of middle and high-grade insulating equipment. The standards of ISO9001 and CE certification, high tech and quality and the most up-to-date fabrication methods distinguish our machines.



Since our establishment, we have had extensive experience in the field of insulating glass production, and together with intensive research and development, as well as a global consulting and service network. We stand for high...