亚洲精品天天看天天爽|久草视频手机在线播放|一区二区在线免费播放|波多野结衣无码二区久久|日韩亚太欧美高清不卡|欧美一区二区三区成人精品

Fujian Yongjing Technology Co., Ltd. was founded in 2007. It is a national new and high-tech enterprise specialized in research, production of fluorine containing fine chemicals. The company operates deep processing of AHF materials from Yongfei Chemical, its wholly-owned subsidiary company. There is branch company in Shanghai. Its main business is research and development of fluorine containing liquid crystal and organic chemicals intermediates.

Main products

       ●industrial grade sulfur hexafluoride              
       ●electronic grade sulfur hexafluoride

       ●iodine pentafluoride                  
       ●electronic grade carbon tetrafluoride

       ●fluorine nitrogen mixture gas