... KOSHER certified√ HALAL certified√ HACCP Certification√ ISO 22000 Food Safety Management System Certification√ ISO 14001 Environmental Management System Certification√ Complying with ... Us:Zhejiang Tianrui Chemical CO., Ltd., situated in south industrial zone of Longyou county, Zhejiang province, China, is a ... water, with innovative product ecological safety control system. ISO certificate L-Theanine