On May 18, 2021, Yu Wanchen, Secretary of the Party Committee and Director of Heilongjiang Geological and Mineral Bureau, led the Heilongjiang Ecological Geological Survey Research Institute and other units to visit Jiangsu Green Rock Ecological Technology Co.

Mr. Yu and his party inspected the comprehensive remediation project of closed mines in Dongjiaoshan, Anzhen Street, Xishan District, Wuxi (a demonstration project of the Ministry of Finance and the Ministry of Land, with the example of the draft of landscape, forest, field and lake and the comprehensive operation of industry) and the site of mine geological environment treatment project (high and steep slope) along the Beijing-Shanghai high-speed railway, and learned about the results of the innovative research and application of "green technology" on the ground.

During the seminar, Mr. Zhang Bo, the director of Suzhou Mine Environmental Restoration and Management Research Center and general manager of the joint-stock company, gave a detailed report on the independent technologies and cases corresponding to each of the contents of "Mountain, Water, Forest, Field, Lake, Grass and Sand" and "Carbon Neutral". Among them, the self-developed green technology - the comprehensive management technology of mine ecological environment based on "loam-like soil" substrate - was listed in the "Green Technology Promotion Catalogue (2020)" compiled by the National Development and Reform Commission, Ministry of Science and Technology, Ministry of Industry and Information Technology and Ministry of Natural Resources.

Mr. Yu highly affirmed Greenstone's technology development and achievements over the past ten years, and that it is a leader in the industry and a team full of social responsibility.

     The two sides expressed that they will work together in the field of ecological restoration such as "landscape, forest, field, lake, grass and sand" and "carbon neutral", research and develop new ecological restoration technologies and implement the transformation of the results, fulfill social responsibility, improve social contribution, and contribute in ecological environmental management.

     Mr. Huang Rongfu, member of the Standing Committee and President of Heilongjiang Ecological Geological Survey Research Institute, Mr. Su Yanmin, member of the Party Committee and Director of Heilongjiang Institute of Geological Sciences, Mr. Fan Hongxi, Executive Deputy Secretary General of China Geological Disaster Prevention and Control Engineering Association, and Mr. Wang Kaixiu, Chairman of Jiangsu Green Rock Ecological Technology Co.