On July 13, 2023, Baoding Hongcheng Converter Manufacturing Co., Ltd. successfully won the bidding for painting production line rectifier power supply equipment in Chongqing Changan Yubei Factory replacement and green intelligent upgrade construction project with complete design, manufacturing, installation, commissioning, after-sales system and good corporate reputation.

Yubei Factory of Changan Automobile Co., Ltd. is the birthplace of Changan autonomous cars and the first autonomous car production base of Changan.
Factory was established in October 2004, covers an area of about 750 mu, construction area of about 255 mu.
The total investment of the factory is 2.8 billion yuan, and the annual designed production capacity is 280,000 units, which has made outstanding contributions to the sales of Chinese brand cars.
The factory has two bases (Yubei Base, fish mouth base), six functional departments and four process workshops, employing a total of more than 8,000 people.

The factory has been committed to the construction of environmentally friendly enterprises, vigorously promote technological innovation, and actively carry out energy saving, emission reduction and consumption reduction in the production process as well as ecological design research work such as product fuel economy, health and safety.

The factory continues to carry out research on the core technology of green products, develop energy-saving technology, and raise health and environmental protection to a strategic height. In terms of air quality control in the car and the control of prohibited substances, through the establishment of standard system, test capacity building, upstream and downstream consistency control and other measures, It has formed a technical advantage suitable for Changan Automobile and priority over the domestic industry.

At the same time, in the field of green manufacturing, major breakthroughs have been made in the core key technologies and applications such as the all-robot + large-proportion circulating air painting process and the cleaning and purification of VOC exhaust gas in the painting room, and a demonstration green painting production line for auto body in Chongqing has been built, which has achieved significant energy saving in the auto body painting workshop and the emission of exhaust gas has reached a high level in the industry.

The factory green manufacturing starting point is high, the product ecological concept has been running through all aspects of the factory from the beginning of the factory, the selection of clean energy, the use of devices and production lines, and through continuous optimization and improvement, the company's green factory has been strengthened and improved.