少妇熟女内射一区二区三区_亚洲肥婆一区二区三区_99se亚洲综合在线_日本中文字幕一区二区高清在线

Fujian Shaowu Yongfei Chemical Co., Ltd. was founded in 2001. It is one of fluorine chemical enterprises in China with long history, large scale and well brand. It has important position in the industry. For years, stable selling channels have been formed relying on stable quality and high additional value. The products are listed not only on purchasing lists of many large companies, but also are demanded by famous enterprises in Japan and Taiwan and European and American markets. There is a experienced management team to ensure operation. Yongfei has excellent independent research and development capacity. Its semiconductor grade electronic hydrofluoric acid is rare in China and the quality is at leading level. It is with fine market prospect to replace imported products.

　　Main products:

       ●anhydrous hydrogen fluoride            

       ●reagent grade hydrogen fluoride

       ●electronic grade hydrogen fluoride

       ●fluoride salt (contaning industrial and high-purity ammonium fluoride, ammonium bifluoride)