ABOUT US
DHJ Analysis Company Limited has been focusing on analysis industry for years since 2008. We are the expert in the organic/inorganic CHNOS analysis, and the expert in Certified Reference Materials.
Currently we are exporting Chinese certified reference materials and consumables of made- in-china to help more companies to decrease the production cost and enhance working efficiency. All of these materials are of good quality but with low prices, and have been used here in China for years. More...