无码精品人妻一区二区三区,激情综合五月天开心久久,在线 日韩 一区 二区,久久精品不卡一区二区三区

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)