achievement display -尊龙凯时人生就是搏

through iso 9001 and iatf16949 quality management system certification, iso 14001 environmental system certification and 3c production license, the company is a state-level high-tech enterprise, a national high-tech zone gazelle enterprise, a clean production enterprise in shandong province, jinan city enterprise technology center.

the company now has many kinds of intellectual property protection of "tongya" trademarks.

the company now has more than 80 national intellectual property rights.