国产一级片小电影|国产三级片网页一级国产片|日韩成人高清色情视频|日本黄色无码三级毛片电影|最新日韩无码视频免费观看|亚洲一区在线视频|xxav高清无码|日本成人AA电影|性爱亚洲中文亚洲|亚洲香蕉Vs在线一区二区三区

The company's products are widely used in medicine, pesticides, dyes, fluorine-containing liquid crystals, intermediates of cured coatings, electrolytes and cosmetics additives, production of fluorine-containing powder coatings, preparation of raw materials for lithium batteries, production of optical raw materials transparent resin, synthesis of polypeptide compounds, preparation of olefin polymerization catalyst, production of OLED raw materials and other fields.