Guangzhou Junhe Nano materials technology Co.,LTD is a subsidiary of Jointown pharmaceutical group of China. We have the first-class plant extract technology in the world. We are experts in the plant extract monomer (-)-Epigallocatechingallate (EGCG) from the green tea and chlorogenic acid from Flos Lonicerae or Eucommia Bark, etc. .All of them are high purity(99.5%) & competitive price.