Located in San Diego, California, an area well known for biotechnology and scientific discovery, CTK runs a modern research and development facility with professional collaborations both locally and globally.
CTK develops and manufactures innovative immunodiagnostic test kits for the IVD community worldwide. We have a unique IVD business model in that we produce our own recombinant antigens and antibodies for later use in the production of our test kits. Our skill in obtaining and purifying these raw materials gives us an edge over our competitors as we can guarantee that our clients receive the highest quality products at exceptional pricing.
Customer service is the most important factor to our business. We strive to obtain and retain our loyal customers by exceeding their expectations with quality products, competitive pricing, and unparalleled service.
From raw material production to test kit manufacturing and registration, CTK is known for excellence in quality.
Company History
1998
CTK commenced operations in San Diego, California, USA.
We focused on the development of diagnostic recombinant antigen and antibody.
1999
FIRST market. Launched anti- HCG, human hemoglobin, and PSA protein antibodies.
2001
Set up our first overseas marketing office in China.
2002
Launched DIY (Do-It-Yourself) ELISA reagent system to ELISA manufacturers.
Registered with the US FDA as a medical device manufacturer.
2003
Exhibited our products at the AACC.
2004
ELISA and Rapid Test division became fully operational.
The company formed three production divisions:
- Recombinant antibody & antigen
- ELISA
- Rapid test
- ((ELISA and Rapid Test facility is certified by ISO-9001:2000))
2005
The OnSite Syphilis Ab Rapid Test was placed on the WHO Bulk Procurement list.
2006/03
Registered and launched blood bank rapid tests (HIV / HCV / HBsAg) in India.
2006/05
Rapid test division was expanded to a 12,000 sq ft. facility.
2006/07
Completed the CE marking of our IVD devices according to directive 98/79/EC of 27 October 1998 regarding in vitro diagnostic medical devices.
2006/08
Developed the first and highest quality Chikungunya Rapid Test on the market today.
2007/03
ISO 13485:2003 compliant