精品久久久久久成人av,亚洲高清无在码在线电影不卡,一夲道av无码无卡免费,3344永久在线观看视频,亚洲αv在线精品糸列,精品人人妻人人澡人人爽人人 ,国产成人欧美日韩在线电影,日本亚洲欧美国产日韩ay
About Us

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.

 

The company adheres to tenet of "integrity-based and mutual benefit" and operation philosophy of "quality first and client top", and it would like to make friends with people all fields and offer you excellent services.

 

Corporate culture: loyalty, learning, innovation and integrity!

Copyright(C)2017,Shenyang shengda Chemical Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice
主站蜘蛛池模板: 欧美毛片无码又大又粗黑寡妇| 国产精品自在在线午夜| 日韩av片无码一区二区三区| 国产麻豆精品福利在线观看| 色婷婷亚洲婷婷八月中文字幕 | 亚洲人成网线在线播放| 国模和精品嫩模私拍视频| 亚洲国产精品无码久久九九大片| 久久这里只有热精品18| 色老99久久精品偷偷鲁| 欧洲免费无码视频在线| 亚洲成av不卡无码无码不卡| 亚洲人成伊人成综合网小说| av国産精品毛片一区二区网站| 丰满人妻熟妇乱又仑精品| 久久亚洲精品成人无码网站蜜桃| 337p日本大胆欧久久| 麻豆精品偷拍人妻在线网址| 久久精品一本到东京热| 无码国产精品一区二区vr| 亚洲国产另类精品| 麻豆中字一区二区md| 国产精品亚洲精品日韩动图| 天堂aⅴ无码一区二区三区| 国产特级毛片aaaaaa视频| 国产一区二区三区不卡在线看| 成人无码精品一区二区三区| 成人片无码免费播放| 国产精品看高国产精品不卡| 亚洲国产美国国产综合一区二区| 国产激情综合在线看| 亚洲精品国产一区二区精华| 婷婷五月六月综合缴情| 亚洲爆乳精品无码一区二区三区| 久久99精品网久久| 亚洲精品无码成人片久久| 免费人成在线观看视频无码| 天天摸日日添狠狠添婷婷 | 成人一区二区免费中文字幕视频 | 精品国偷自产在线视频99| 国模裸体无码xxxx视频|