色综合合久久天天给综看,天天干天天在线,日本免费大黄在线观看,天天干影院,性感黑丝美女视频,美女视频在线看网址,超高清美女视频

  Lanzhou huibang biological chemical technology co., ltd
   About us
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese

Lanzhou huibang biological chemical technology Co., LTD located beside the Yellow River in Lanzhou,China,The company develops, manufactur-es and markets pharmaceutical intermediates, chiral reagents, dye inter-med iate and other organic compounds.
Ourcompany has well-trained staffs and advanced facilities.With excellent service, the company developed very rapidly since its establishment years ago. The main products are chiral aminoalcohols, oligoglycols, borate esters, thiophenes, triarylamines and other kinds of chemical intermediates.
We also provide custom synthesis including drug intermediates, chiral chemicals and a wide range of organic chemicals from milligrams to multikilograms scale.
To meet the customer鈥檚 requirement is our forever pursuits, high quality products and competitive prices are the base of our company鈥檇evelop-ment. We will try our best to meet your requirement and give you our best service.

Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.