Here is a little about us

And our certificates

RA Biosources, Inc., is a biotech company that Dr. Guo founded on January 2003 in Belmont, California, USA. The company's main focus is the development of monoclonal antibodies as in-vitro diagnostic reagents. Through over a decade of effort, we have built a strong line of products in the areas of cancer markers, drugs of abuse, infectious agents, collagen & extracellular matrix proteins, hormones, serum proteins, and others. And we have established a solid network of customers in the United States, Europe, Canada, and China.

We have plenty of production capacity to meet the needs of our customers and continue to develop new products as the market demands. We are firmly committed to the best possible service for our customers.

Certificates are available upon request.

• << RA Biosources, Inc. is registered with States of California (Secretary of State ID: C2490904) >>
• << Certificate of Approval to Keep and Use Laboratory Animal >>
  - issued by State of California Department of Public Health (No. 020)
  
• << Seller's Permit >>
  - issued by California State Board of Equalization (Account No. BH 100-152232)