Yuan Shi(SuQian)Biotechnology Co.,Ltd.is a comprehensive hi-tech enterprise. Our businesses include scientific research, development, production & international trade. we are a leading developer and manufacturer of hi-tech chemicals, the main products are Elisa chromogenic reagent (TMB) series for biochemical clinic inspection reagents, biological buffering agent series(EGTA,MES,TAPS,PIPES, BICINE,BIS-TRIS PROPANE,TRICINE, ACES),pharmaceutical intermediate and electronic chemicals (PCP,DCPCP),etc. These products are well sold in China, EU, USA, and Southeast Asia. Moreover, we also can offer you contract production service. Relying on excellent quality, good prices and excellent service, YuanShi is striving to be a leading and ever-lasting company in the biochemical industry. We adopt GMP standard into our daily operation from material purchase, production control, quality analysis and finished product to after-service. There is an experienced R&D team working for YuanShi now; this team is consisted lots of  doctors, masters and technicians, they are very skilled in the development of new products. Meanwhile, establishes long-term cooperative relationships with famous universities and institutes in China