In 1998,Duoweitairui pharm.embarked tylosin project at Wangyuan Economic Zone,Yongning County,Yinchuan, Ningxia P.R.China,Where is the most suitable place for production of fermentation antibiotic products throughout the world.

With the guiding of the experts from almost all over China on antibiotic lines.It took only one year to accomplish the design and construction,and have delivered the products that compliance with the criterions of CPV(2000) and BPV(98).As for the quantity,the output would reach 1000 tons tylosin a year. We have gained the export & import qualification in 2000.

Since we want to develop both home and abroad markets,we establishd sales center in Beijing for more convenient and quick service to our clients.

We believe that our advanced production equipments,precise inspection devices and responsible staff could guarantee our products,make everyone satisfied with us in every aspect.















Address: F20,Dahangjiye Building, No.33 North Renda Road,HaidanDistrict,Beijing,P.R.China
TEL: 0086-010-82684966 ext.819/816/813/888
FAX: 0086-010-82684961 PC: 100080