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

  Nanjing li sheng kang he biological tecnology co.ltd
   About us
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese

NanJing Li Sheng Kang He Biological Technology Co.,Ltd. is located in JiangNing town, NanJing City, JiangSu province, China.
The company since set up, devotes continuously to providing the best produts to our customers.
Our products like 2,2,6,6-tetramethylpiperidine(TEMP), 2,2,6,6-tetramethylpiperidinyloxy,free radical(TEMPO) , are mainly used in the agricultural chemicals, dye,caffeine and so on. "
"Developing together and growing up together" is ours struggling direction. We鈥檇 like to build up long term kindly cooperation with customers on the stable foundation of professional service and trust in each other.
Welcome the domestic and foreign new old customers to cooperate with us and develop together!

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