Chongqing Zhonghuanyu Testing Technology Service Co., Ltd.

Chongqing Zhonghuanyu Testing Technology Service Co., Ltd. (hereinafter referred to as "the Company") was registered and established in September 2017 with independent legal person status. In January 2019, it obtained the qualification accreditation certificate for inspection and testing institutions issued by the Chongqing Administration for Market Regulation. In March 2019, it was approved by the Chongqing Ecological Environment Bureau to be included in the list management, and is a member unit of the Chongqing Ecological Monitoring Association, the Chongqing Environmental Protection Industry Association, and the Chongqing Certification and Accreditation Association. The Company provides professional environmental testing services in the fields of water (including atmospheric precipitation) and wastewater, ambient air and exhaust gas, biology, noise, solid waste, soil, etc., and also involves instrument and equipment calibration, food testing, and dioxins.