Shenzhen Langkun Environmental Group Co., Ltd. was established in 2001 and has been deeply rooted in the fields of organic solid waste treatment and waste sorting. The company’s core business focuses on the harmless treatment and resource recovery of organic solid wastes—including catering waste, kitchen waste, manure, and animal by-products—as well as municipal solid waste. Additionally, it provides related environmental engineering services. Langkun is a leading enterprise in China’s organic solid waste management sector.
Chongqing Environmental Protection Fund made an equity investment in Langkun Environment in June 2020. On May 23, 2023, the company officially listed on the ChiNext Board of the Shenzhen Stock Exchange, with stock code 301305.

Guangzhou HeXin Instrument Co., Ltd. is a national key high-tech enterprise under the National Torch Program and a startup company supported by the national "Thousand Talents Plan." The company integrates R&D, manufacturing, sales, and technical services of mass spectrometers. It has taken the lead in achieving independent, forward-looking development of its mass spectrometer products, with its time-of-flight mass spectrometers boasting fully autonomous intellectual property rights—effectively breaking the long-standing monopoly of foreign companies over high-end mass spectrometers. Rooted in environmental monitoring, the company continues to expand into new fields such as clinical diagnostics, food safety, and industrial analysis.
Chongqing Environmental Protection Fund invested in Hexin Instruments in June 2020. On September 13, 2021, the company was listed on the STAR Market of the Shanghai Stock Exchange, with stock code 688622.

Aofu Environmental Protection (stock code: 688021) is dedicated to the research, development, manufacturing, and sales of honeycomb ceramic heat storage materials, catalyst carriers for diesel vehicle exhaust treatment, diesel particulate filters (DPF), and other related products. The company is one of the world's three leading manufacturers of automotive honeycomb ceramics, with clients including renowned domestic and international enterprises such as China National Heavy Duty Truck Group, Guangxi Yuchai, Zhongzi Catalytic, and Germany’s Daimler Mercedes-Benz.

The Chongqing Environmental Protection Fund invested in this project in 2017. Since then, the company has experienced rapid growth and successfully listed on the STAR Market on November 6, 2019, becoming the "first environmental protection stock" on the exchange. The company’s current market capitalization stands at 4.5 billion yuan.

ShengTong Technology: ShengTong Technology is a leading company deeply rooted in a specialized segment of the AI industry. Chongqing Environmental Protection Fund invested in the company in September 2022, and in July 2024, ShengTong Technology was officially listed on the Hong Kong Stock Exchange under stock code 02495.HK.

Xin Anjie: Chongqing Environmental Protection Fund invested in the company in May 2017, and in November 2021, the company was listed on the Beijing Stock Exchange under stock code 831370.

Trina Solar: Trina Solar Co., Ltd. (referred to as "Trina Solar," stock trading code: 688599) is one of the world's largest suppliers of photovoltaic modules and a leading provider of comprehensive solar PV solutions. Founded in 1997 in Changzhou, Jiangsu Province, Trina Solar was listed on the New York Stock Exchange in 2006.

After delisting from the U.S. in 2017, the company sought a domestic listing and submitted its application for an IPO on the STAR Market on May 16, 2019, which was subsequently accepted. On March 11, 2020, the company received approval from the STAR Market Listing Committee of the Shanghai Stock Exchange, and officially began trading on the exchange on June 10.