中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

Xinji City Fine Chemical Plant is a specialized manufacturer of ether. Since 1992, with a scientific management system, excellent employee quality, and an indomitable spirit of striving, we have successfully embarked on a path of revitalizing the enterprise through technology. For over a decade, our products have been sold nationwide and have earned the trust and praise of a wide range of users. Our factory is equipped with advanced machinery, state-of-the-art processes, strong technical and economic capabilities, and comprehensive and advanced testing methods. It has been rated as a AAA enterprise multiple times. The plant produces reagent-grade, pharmaceutical-grade, anhydrous, specialized-grade, and industrial-grade ether, with an annual total output of 1,800 tons, ranking first in North China. The main raw material is edible ethanol. Additionally, we also produce bolt loosening agents, starting fluids, carburetor cleaners, and ammonium metavanadate.