China's domestic coking coal prices picked up strength in May, particularly those for higher grades, due to a recovery in the coke market coupled with aggressive restocking by cokeries and freight rate increases.Metal Bulletin's weekly assessment of domestic prices for hard coking coal in Shanxi delivered to Tangshan stood at 1,360-1,800 yuan ($213-282) per tonne on Friday May 25, compared with 1,350-1,750 yuan per tonne on April 20.
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