Carbon Residue Tester
Established in 1998, Changji Geological Instrument Company is a professional carbon residue tester manufacturer in China. Our petroleum products carbon residue tester (conradson methods) and carbon residue tester (digital control electrical stove method) are respectively conforming to GB/T268 and SH/T0170 standards. They are suitable to test carbon residue formed after lubricating oil, heavy-mass liquid or other petroleum products are evaporated under heating.
Besides, we also produce other petroleum testing equipment such as distillation testers, oxidation stability testers, solidification point testers, and so on. All these products meet the ASTM, IP and GB standards. With the features of high precision and easy operation, our products are extensively used by customers all over the globe. We are based in Shanghai, where we enjoy convenient transportation by land, by air and by sea. As a result, we are able to reduce production costs due to our low transportation fees for raw materials, and our customers can also save on freight charges.
If you would like to experience all the benefits of our products and service, please contact us directly.





