China has abundant resources of tin sulphuric ore.
我国的锡石硫化矿储量大,随着砂矿、氧化脉锡矿的逐渐消失,现在开采的绝大部分都属锡石硫化矿。
The Tongkeng-Changpo cassiterite-sulfide deposit in Guangxi, a superlarge deposit in the Dachang polymetallic tin orefield, is the key to the genetic study of the Dachang ore field.