[Zhangyuan Tungsten Industry raises long order quotation for the first half of June 2023] the long order quotation of Zhangyuan Tungsten Industry was released in the first half of June 2023. The wolframite concentrate (WO3 ≥ 55%) is 119000 yuan / standard ton, which is 500 yuan / standard ton higher than that in the second half of May. The scheelite concentrate (WO3 ≥ 55%) is 117500 yuan / standard ton, which is 500 yuan / standard ton higher than the second half of May. Ammonium paratungstate (national standard zero) is 181500 yuan / ton, an increase of 1000 yuan / ton compared with the second half of May.