JCHX Mining Management (SHA:603979) renewed the contract for Open Development's potash mine in Laos, according to a Shanghai bourse filing on Tuesday.
The contract is expected to be valued up to 125 million yuan, with the final value yet to be determined.
The mine in Khammouane Province will produce 500,000 tons of potassium chloride every year.
The company will conduct underground mining and mine development works in the area until Dec. 31.
The Chinese mining construction company's shares rose 4% at the close.