久久激情网,日本免费一区二区三区在线观看,WWW激情内射在线看,日本又色又爽又黄的网站免费,亚洲精品高清国产一线久久

The company won the "discovery. 2017 National Science and technology innovation outstanding achievement award" with a new energy-saving and high-efficiency fan

2020-09-02
Viewed：3874
return

  Hong Junshan, the technical department of our company, has been awarded the second prize of excellent papers in the 14th China Science Forum and was invited to attend the 14th China Science Forum in Beijing. With a new energy-saving and high-efficiency fan (Patent No.: zl2014 2 0507207.3), our company won the "discovery. 2017 National Science and technology innovation outstanding achievement award" at this grand meeting


Search