(Yicai Global) Sept. 22 -- In addition to agricultural products and asphalt, other commodity prices in Chinese futures markets slumped today, because investors are worried about future demand for steel.

The main contract for nickel due next January declined to limit-down at the close to USD12,893.85 (CNY83810) per ton. The main contract for deformed steel bar closed at CNY3,554, down 4.54 percent.

For-delivery next January coking coal futures fell 4.87 percent to CNY1,210.5 per ton at the closing ring, while January-delivery coke futures closed at CNY2,032.0 per ton, down 5.40 percent.

The main future contract for iron ore due in January 2018 went down 3.91 percent, to CNY466.5 per ton as the curtain fell.