国产中文字幕乱人伦在线观看,久久永久免费人妻精品,日韩免费视频一一二区,国产片免费福利片永久

News - News
Adhering to principle of surviving on quality
Date: 2017/02/14

Shenyang Shengda Chemical Co., Ltd. is a chemical enterprise engaging in R&D and production and is a production and sales-oriented enterprise that specializes in chemical reagents and fine chemicals. It mainly engages in producing chemically pure, analytically pure, indicators, biological stains, dyestuffs, fine chemical materials, inorganic sales and other products, which are widely used in chemical analysis, pharmaceutical, electronics, photosensitive materials, textile printing and dyeing, and other industries. Leading products are thymolphthalein, o-Cresolphthalein, phenanthroline, bromophenol blue, bromocresol green, bromcresol purple, bromothymol blue, methylthymol blue, calcein, Giemsa stain, Coomassie brilliant blue, phenol red, murexide, nickel reagent, Litmus, fluorescein sodium, methylthioninium chloride, basic violet 3, phenolphthalein, and etc. Shengda has established independent production base on the periphery of Shenyang. At present, the marketing model taking production base as production center, Shenyang as sales Center and radiating China has been formed.

Adhering to principle of surviving on quality, developing by service, the company positively attracts talents and cooperates with scientific research institutions, universities and colleges. Based on modern enterprise management model, massive investment in new technologies and perfect service philosophy, we can offer the clients favorable services.

 

Last : No 】 【 Back 】 【 Next : Corporate ...

Copyright(C)2017,Shenyang shengda Chemical Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice
热re99久久精品国产99热| 色综合久久网| 久热精品视频天堂在线视频| 中国人妻被两个老外三p| 成人看片黄a免费看| 夜夜嗨av一区二区三区| 久在线精品视频线观看| 亚洲2卡3卡4卡5卡乱| 欧美大荫蒂毛茸茸视频| 国产成人无码区免费内射一片色欲 | 亚洲av中文无码乱人伦在线咪咕| 女人18毛片水真多| 国精产品一区一区三区有限公司| 黑巨人的又黑又大又长| 老师在办公室被躁在线观看| 国产精品无码无片在线观看3d| 国外b2b网站毛片| 精品无码AV人妻受辱| 麻豆国产传媒精品视频| 99精品热这里只有精品| 亚洲VA欧美VA国产VA综合| 国产特级毛片aaaaaaa高清| 国产剧情av麻豆香蕉精品| 亚洲av日韩av不卡在线观看| 国产成人精品午夜2022| 入侵人妻反抗中文字幕电影| 麻豆精品国产精华液好用吗| 久久天天躁狠狠躁夜夜网站 | 无码午夜人妻一区二区不卡视频| 成人av鲁丝片一区二区免费| 国产精品_国产精品_k频道w| 亚洲av无码精品网站| 国产成人精品久久| 中文激情在线一区二区| 疯狂做受xxxx高潮欧美日本| 国精产品一品二品国精破解| 国产精品毛片在线完整版| 国产超碰人人模人人爽人人喊| 97精品久久天干天天| 国产精品美女乱子伦高| 夜夜爽一区二区三区精品|