Beijing Chengyu Specialty Chemical Co., Ltd. founded in 1995
withapproximately 80 employees, is located in the beautiful Shilou
High-techChemical Zone of Fangshan District of Beijing City.
Our facility which coversan area of 43,000 square meters,
which is within convenient traveling distancefrom the Liulihe
Railway Station, Jingshi Expressway, Beijing CapitalInternational
Airport, Tianjin Port, and Yanshan Petrochemical Company.
As the Chinese biggest manufacturer of Indole chemicals, Chengyuspecializes in the development and manufacture
of curatorial intermediatescompounds such as Indoles, Quinolines, and Imidazoles.
Chengyu has experienced scientists and highly skilled engineers
whospecialize in applying advanced equipment, providing process
control servicesand quality assuring testing instruments to meet
our customer needs in improvedproduct quality and increased
Chengyu has gained the quality certification of ISO9001-2008; the
environmental management ofISO14001-2004; theoccupational healthy
security management of OHSAS18001-1999 and"Beijing High-tech
|Main Equipment Capacity:|
| ||Volume of Reaction Kettle: 50-25000L|
| ||Temperature: Meeting the chemical reaction at -30-350°C|
| ||Vacuum of vacuumed distilling equipment: Reaching 1-5 mmHg|
| ||Pressure of pressure kettle: Meeting the demand of 15 MPa for the
reactionat below 350°C|
| || Volume of two-cone rotating vacuum drier: 3,000 L|
| ||Daily treatment capacity of organic waste water: 200 tons.|