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

Shenyang Chemical Reagent Factory is the national chemical reagent production professional factory. Our manufacture license code is XK13-201-00388. Quality management system has been attested by Northeast Authentification Co.,Ltd. for five years, and the code is 01007Q10425RIS. For years, we have participated standard works in the same industry and edited ten more chemical reagent products with national standard.Shenyang Chemical Reagent Factory founded in 1989 is located in Hushitai town in Shenyang city, and has owned years’production practical experience and has professional production chemical reagent and fine chemical product equipments. We own 73 employees including 10 engineering technicians. Annual output of all kinds of chemical reagent and fine chemicals is 1,500 T.Our factory mainly produces all kinds of general organic and inorganic reagents, indicator, teaching reagent, standard solution preparation and others. Our products are well sold around China. Annual output value is 15 million yuan.For years, Zhonghai and Fengtian brand chemical reagents have showed good characters by full good quality, complete after-sale service and reasonable price in northeast areas. Meanwhile, we have been appraised to quality trustful unit in the following years and AAA level enterprise.Variety specification:We can make designated specification according to demands from customers. please contact us if you need special products.