LongShan Industrial Development Zone,CiXi City Ningbo, Zhejiang
Introduce of ningbo yanmen chem. It mainly deals with chemical products such as cobalt oxide, monoxide, chloride, nickel oxalate, sulfate, sulfate and chloride , so on. The quality is the most important engineering in company. We are best supplier oxide ...
cobalt oxide, cobalt monoxide, cobalt salt, cobalt chemical