Quality assurance system, the company is approved by ISO9001 and GMP, and its major product is Trimethoprim, which is supported by COS of EU.The company has advanced detection apparatuses, such as twelve of Agilent and waters branded gas phase and liquid phase with high efficiency and kinds of detection methods. Besides that, there are also infrared detection, ultraviolet detection, deadstop titration, minim water determination of apparatuses, and so on. In the company there are more than 50 professional QA staff with superior academic qualification of junior college, and production procedure is strictly monitored so as to ensure production quality. credit and honesty is the most important,mutual benefits is the first.