Guizhou Zhonghuan Jiancheng Circular Economy Industry Co., Ltd. was established in 2018(hereinafter referred to as "China Huanan international") is a company focusing on carbon neutral technology development, focusing on carbon asset custody services, carbon asset valuation services, carbon trading product research and development, carbon neutral demonstration Industrial Park operation and services, circular economy and environmental Protection Technology Industrial Park operation and services, and is committed to providing negative carbon emission technology development A comprehensive environmental protection industry group company that manages carbon assets and operates carbon neutral park.

Relying on the technical support of authoritative scientific research institutes in the industry, such as "Institute of Geophysics, Institute of applied technology, Chinese Academy of Sciences, Institute of nonferrous metals, Chinese Academy of Sciences and doer Research Institute of chemical industry", China Huanan international has formed its own R & D brand [carneutec ™】 Core, covering carneutec ™ A total of 65 carbon neutralization related patented technologies, including environmental protection intelligent carbon reduction technology, rare earth alloy steel AOD refining technology, acidified oil wastewater treatment and resource recovery technology, high-temperature plasma hazardous waste disposal technology, nano photocatalyst technology, recycled plastic pet modification technology, have basically covered the whole environmental protection industry segments such as energy conservation and environmental protection, resource recovery and comprehensive utilization, renewable resource utilization and other emerging industries such as zero carbon energy.