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

Founded in April 2014, Gulang Changhai Chemical Co., Ltd. is a fine chemical production base invested Jiashan Hailun Fine Chemical Factory and Gulang Xinmiao Group Company. Located in Tumen Township Industrial Park of Gulang County in Gansu Province, we enjoy superior geographical location and attractive scenery, with Hexi Corridor, Jingtai County and Tianzhu County of Gansu province, Liangzhou District of Wuwei city, and Tengger desert nearby. It is communications centre of the old Silk Road.Now, we are a manufacturer of fine chemicals such as Nitroguanidine, Methyl nitroguanidine and N-Nitroiminoimidazolidine, which are the intermediates of drugs and pesticides. Covering an area of over 20,000sqm, we now have CNY 20 million of fixed assets, 1,200sqm of buildings and more than 100 employees, 30 of them are managers and technicians. Now, we use the leading technologies to have production and advanced inspection methods and related inspection facilities to check the quality of products. All operations of our daily production are strictly in accordance with the standards of ISO9000 quality system.