CTI provides ISO 14001 environmental management system certification services related to system certification. Huatest certification was established in 1993. It is approved by the China National Certification and Accreditation Administration (CNCA) and accredited by the China National Accreditation Service for Conformity Assessment (CNAS). The earliest three-party certification body. As early as 1998, China Test Certification obtained the third-party certification of ISO14001 environmental management system. It is the first organization to carry out this work in China, providing enterprises with services such as environmental management system certification, training, and identification of environmental regulations.