Chengdu Cha Dr. third-party testing organizations have which

Sichuan Huabiao test technology limited company, Chengdu Nuosen medical testing Co. Third-party testing organizations, also known as impartial inspection, refers to some object other than two interlinked subjects, Chengdu Dr. Cha third-party testing organizations have Sichuan Huabiao Measurement Testing Technology Ltd, Chengdu Nuosen Medical Testing Co. We call it a third party can be and two subjects have a connection.