亚洲大香线伊人婷婷五月-双性攻h文-五月天天丁香婷婷在线中-一级毛片免费试看-雷电将军与丘丘人繁衍后代中文版-久久精品国产亚洲a∨蜜臀-国内久久婷婷五月综合趴-亚洲欧美另类精品久久久-粉嫩一区二区三区国产精品

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)