- Shudu Nano-science Co.,
- bismuth oxide,nickel oxide black,nickel oxide green,cobalt oxide,silicon oxide,metal oxide.
- Address:NO. 386 Tongji road
- Town Mining Co. Ltd.
- Cobalt,Nickel Alloy,Molybdenum,Tungsten,Secondary Battery (Li-ion / Ploymer / NiMH),Cobalt Oxide Powder.
- Address:260 Gongdandong
1