中文人妻无码一区二区三区在线,香港经典av三级观看,欧美XXXX做受欧美1314,成人h动漫无码网站久久,亚洲日韩乱码中文无码蜜桃,高清不卡亚洲日韩av在线,亚 洲 成 人 网站在线观看,成年美女黄网站18禁,国产揄拍国产精品,亚洲AV无码无在线观看红杏

Currently, we have established 4 production lines of vinyl ether products. And we have 286 sets of matched production, environmental protection and testing equipments. Our annual output of vinyl ether products is 2000 tons. We have complete conditions in product quality testing, environmental protection monitoring and safety protection and control fields.

At present, we have tens varieties of products, such as, vinyl methyl ether, vinyl ethyl ether, N-butyl vinyl ether, isobutyl vinyl ether, and Tert-Butyl Vinyl Ether etc. Vinyl ether series products are important fine chemicals and main organic chemical material. They are widely used in the manufacturing of adhesion agent, coating, lubrication additive, plasticizer, insecticide, sterilizing agent and surface protection material fields. Meanwhile, they are used in preparation of perfume and essence. With the development of fine chemical industry, the demand of vinyl ether is growing increasingly.