Chinese tungsten concentrate and ammonium paratungstate prices continued to be bolstered by supply constraints imposed by environmental crackdowns, while there was limited activity in the European tungsten market in the week to Friday June 1.
Chinese APT, concentrate prices boosted by supply constraints European APT prices hold firm on tight supply European ferro-tungsten market continues to see subdued spot demand Fob China ammonium paratungstate (APT) prices rose for the fifth week in a row, bolstered by tight availability in the spot market after many APT smelters in Jiangxi province, the largest APT production hub in China, halted production for slag treatment. Metal Bulletin assessed tungsten APT export min 88.5% WO3 prices fob China at $343-350 per metric tonne unit on Wednesday May 30, up 1.2% from $340-345 in the prior week and the highest since late December 2014. Sentiment in the APT sector has been robust since last December...