... ,NSF-GMP,ISO9001,ISO14001certificated 2,USP32 standards 3,Pure and 100% free additive. [Liwah's advantage]1,Liwah ... ,ISO9001,ISO14001certified company2,The product meets USP32 standards3,Pure natural product and 100% free additive.4, Professional API supplier [Product ... , Shandong, Guangxi, Hubei, Henan, Zhejiang, Guizhou, Hunan, Sichuan, and Hebei province[Harvest time] It is harvested when leaves is ...