Huangdi, a leading environmental high-tech enterprise, is committed to improving vehicle exhaust pollution. Established in 2008, the company's research and production base is located in Kaili Economic Development Zone, Guizhou Province, with technology application and business operations in Hangzhou, Zhejiang. Huangdi has received comprehensive support from national high-tech industrialization projects, national key new product plans, national innovation fund projects, and major environmental protection technology equipment projects and funds under the Twelfth Five-Year Plan in China.

With more than 500 employees, Huangdi has built a team of experts and technicians specializing in technology development, application development, and calibration under the leadership of Chairman Huang Limin. By January 2014, the company had obtained 50 patents, including 22 invention patents and 5 national key patents. The company's diesel particulate filter (DPF) with a recrystallized silicon carbide carrier achieves a capture ratio of over 95% for vehicle particulate matter, reaching an advanced technological level.

Through continuous efforts and strong support from various sectors, Huangdi's business has expanded both domestically and internationally. In China, the company actively collaborates with major engine and vehicle manufacturers, as well as various levels of government and industry colleagues, to enter the market for vehicle retrofitting in cities. Overseas, Huangdi has established partnerships in countries such as the United Kingdom, France, Germany, Italy, Portugal, Singapore, the United States, Venezuela, the United Arab Emirates, Indonesia, Hong Kong, and Macau.

The company maintains a flexible and harmonious relationship with its partners through various business forms. Huangdi is dedicated to fulfilling its social responsibility and contributing to the harmonious development of the environment, individuals, vehicles, and society. To quote a famous saying: The road ahead is long and covered with obstacles, but we will stride forward and start anew