在线永久免费观看网-波多野结衣亚洲一区二区三区-三级黄色片在线观看-国产成人久久一区二区三区|www.houjige.com

  熱線電話：021-54370211? 　  

Sodium benzoate

Chemical analytical reagent;It is used in the research of medical industry and plant genetics.As a food preservative, it is also used in medicine and dyes

PRODUCTS

@ 2016 ShangHaiYaYu Biomedical co.,ltd TEL：021-54370211、54370255、54370355 FAX：021-54370255