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

  Beijing qin wutian pharmaceutical co., ltd
   About us
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese

Beijing Qin Wutian Pharmaceutical Co., Ltd. is a professional production of chemicals and pharmaceutical intermediates R & D and marketing enterprises. Our main products are series of intermediates bortezomib, brimonidine tartrate and intermediates, betaxolol hydrochloride and intermediates hundreds of products. Our company has a strong technical team, professional personnel security; sophisticated laboratory equipment, production equipment, we wholeheartedly at your service, excellent talents, advanced equipment, consummate skill, first-class technology, will provide you with more convenient , attentive service. Welcome to inquire: 15811042769 010-81766170 QQ: 930957947 MSN:zhangwenyu1988@hotmail.com

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