Tianjin Zhonghuan Semiconductor Co., Ltd. (referred to as "Zhonghuan") is committed to the semiconductor energy-saving industry and new energy industry. It is a listed company integrating scientific research, production, operation and venture capital (stock code 002129), listed on the Shenzhen Stock Exchange in 2007. At present, it owns 5 high-tech enterprises, 4 provincial and ministerial R&D centers, 1 post-doctoral research station, and employs tens of thousands of people. In 2021, the operating income will be 4,000,000,000 yuan, an increase of 109.90% over the same period of the previous year; the net profit attributable to shareholders of the listed company will be 3,800,000 yuan, an increase of 248.95% over the same period of the previous year.

The company focuses on "green low-carbon and sustainable development", implements automation in manufacturing management, realizes differentiation in product innovation, promotes the overall development of the industry under the premise of its own rapid development, and realizes returns to shareholders and contributes to society. The company's products are widely used in smart grid transmission, new energy vehicles, high-speed rail, wind power inverters, integrated circuits, consumer electronics, aerospace, photovoltaic power generation and other fields.

The company's leading product, the semiconductor area for power electronic devices, ranks among the top three in the world in terms of comprehensive strength, with a foreign market share of over 18% and a domestic market share of over 80%; the overall strength of monocrystalline wafers, the overall production and sales scale , The world's leading research and development level, has developed high-efficiency N-type DW silicon wafers with independent intellectual property rights with a conversion efficiency of more than 24%, and a conversion efficiency of 26% and "zero attenuation" CFZ-DW (Cz-DW) silicon wafers, The market share of high-efficiency N-type silicon wafers is firmly in the forefront.

CCTV-1 "Big Country Brands" and other media jointly released the "2021 China's Top 500 ESG Enterprises" list, and conducted a comprehensive ESG evaluation of China's A-shares, Hong Kong stocks, US stocks and unlisted outstanding companies. Zhonghuan shares ranked 179th on the list. Ranked 68th in the 2019 Top 500 Global New Energy Enterprises.

天津中环半导体股份有限公司（简称“中环股份”）致力于半导体节能产业和新能源产业，是一家集科研、生产、经营、创投于一体的上市公司（股票代码002129），于2007年在深圳证券交易所挂牌上市。目前旗下拥有5家高新技术企业、4个省部级研发中心，1个博士后科研工作站，员工上万人。2021年，营业收入4,000,000万元，比上年同期增长：109.90%；归属于上市公司股东的净利润380,000万元，比上年同期增长：248.95%。

公司围绕“绿色低碳、可持续发展”，在制造管理上推行自动化、产品创新上实现差异化，在自身快速发展的前提下推动行业的整体发展，实现回报股东、奉献社会。公司产品广泛应用于智能电网传输、新能源汽车、高铁、风能发电逆变器、集成电路、消费类电子、航天航空、光伏发电等多个领域。

公司主导产品电力电子器件用半导体区熔单晶-硅片综合实力全球前三，国外市场占有率超过18%，国内市场占有率超过80%；单晶晶体晶片的综合实力、整体产销规模、研发水平全球领先，先后开发了具有自主知识产权的转换效率超过24%的高效N型DW硅片，转换效率达到26%、“零衰减”的CFZ-DW（直拉区熔）硅片，高效N型硅片市场占有率稳居前列。

CCTV-1《大国品牌》与其他媒体联合发布“2021中国ESG优秀企业500强”榜单，对中国A股、港股、美股及未上市的优秀企业进行了ESG综合评价。中环股份荣列榜单第179位。  2019全球新能源企业500强榜单位于第68位。