黄色三级在线观看|国产综合一区成人|91无码视频五月天|日韩有码 二区久久|亚洲综合在线丁香|一区二区三区高清无码视频在线观看|国产粉嫩白浆观看|99精品亚洲国产精品久久不卡|亚洲VS蜜桃无码|国产调教美女视频

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)