尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

As a large-scale research, production, environmental protection and sales enterprise, Fengyuan Group is mainly engaged in the manufacturing and trade of Fluorochemical products such as hydrofluoric acid, Hexafluorosilicic acid, Hexafluorosilicate and fluoride salt series. Headquartered in Yongkang city of Zhejiang province, we now have 4 production bases (Yongkang city of Zhejiang province, Henan, Jiangxi, Taiwan and India) and 5 corporate entities.Our main products and outputs: Industrial grade Hexafluorosilicic acid 6000 t/a; Water treatment grade Hexafluorosilicic acid 8000 t/a, Food grade Hexafluorosilicic acid 4000 t/a, Magnesium Fluorosilicate/Magnesium hexafluorosilicate hexahydrate 5000 t/a, Sodium silicofluoride 5000 t/a, cryolite 2000 t/a. Sodium fluoride 3000 t/a, Potassium silicofluoride 5000 t/a, Potassium bifluoride 2000 t/a, Potassium fluoride 3000 t/a, Industrial hydrofluoric acid 6000 t/a, Sodium nitrate 10000 t/a.Our Hexafluorosilicic acid, Sodium silicofluoride and Sodium fluoride were certificated to National Sanitation Foundation (NSF) in 2012. We put a 5000 t/a of Magnesium Fluorosilicate production line into function in March 2017. Due to leading technologies, the quality of our products ranks leading position of this industry; therefore our products are well sold in all places of world.

Our Tenet:Being lasting, qualityPerfect, overcomingPassional, professionalMutual-benefited, win-win