coal tar
Product Details
- Country:China (Mainland)
- telephone:86-0311-80979296,13930428994
| When the coal carbonized,we can get a black or brown thick liquid,it is the coal tar. it is widely used for producing plastic,sy |
| When the coal carbonized,we can get a black or brown thick liquid,it is the coal tar. it is widely used for producing plastic,sy |
