Goldsite Diagnostics Inc. is a diagnostic company specializing in serum protein assaying instruments and reagents. We produce Nephstar protein analysis system and up to 30 kits for determining specific proteins such as immunoglobulins, complements, ASO, RF, CRP, HbA1c, Microalbumin, etc. Nephstar is a semi-automated system employing nephelometry as testing company used to be located at Shenzhen University which enables us to have a strong developing and research group. Goldsite is established in 1998 and always focus on Specific Protein Analysis system and reagents. As years? hard working on global market, brand of Nephstar wins trust and reputation from customers from Europe, Asia and South America. Comparing with similar products in the world, Nephstar is the new generation with high performance but low cost. It helps hospital/Clinics/Small Laboratory save a lot of cost and time.