Beijing Chengyu Chemical Co., Ltd. established in 1999 with a registered capital of 5.2 million yuan, spans an area of approximately 51.55 acres and is located in Shilou Town, Fangshan District, Beijing. It is approximately 8 kilometers from the Liulihe toll station on the Beijing-Hong Kong-Macao Expressway, 3 kilometers from the Xiangfuma toll station on the Beijing-Kunming Expressway, 93 kilometers from Beijing Capital International Airport, 68 kilometers from Beijing Daxing International Airport, and 205 kilometers from Tianjin Port. Proximity to Yanshan Petrochemical ensures swift and convenient transportation, while the surrounding environment is picturesque.
The company primarily focuses on researching and producing heterocyclic series pharmaceutical intermediates such as indole, quinoline, and imidazole. The company possesses equipment for small-scale, pilot, scale-up, and industrial production, including high-temperature, low-temperature, high-pressure, high-vacuum distillation, separation, and vacuum drying; it also has testing instruments such as gas chromatography, liquid chromatography, moisture titrimeter, automatic potentiometric titrimeter, gas chromatography-mass spectrometer, ultraviolet spectrophotometer, and Fourier transform infrared spectrometer; it has a team of scientific researchers and engineering technicians; the company has a management system and has obtained ISO 9001:2015 Quality Management System Certification, ISO 14001:2015 Environmental Management System Certification, and ISO 45001:2018 Occupational Health and Safety Management System Certification; it has also undergone corporate social responsibility rating. The production process and stable quality of the products can meet the needs of domestic and foreign customers.

Main business:

Custom synthesis

Commissioned development

Equipment capacity:
The reaction kettle has a capacity ranging from 50 to 25,000L
The temperature can accommodate chemical reactions within the range of -30 to 350°C
The vacuum degree of the vacuum distillation equipment can reach 1~5mmHg, with a volume of 10~1000L
The autoclave can accommodate reactions under 15 MPa, with a capacity ranging from 100 to 3000 L
The volume of the double-cone rotary vacuum dryer ranges from 300 to 3000L