[Long-term contract prices for a Guangdong tungsten enterprise in the second half of June announced] According to SMM, a Guangdong tungsten enterprise has reduced the long-term contract prices for raw materials in the second half of June. The unit price for black tungsten concentrate with over 55% purity is 170,000 yuan/mt, a decrease of 1,000 yuan/mt compared to the first half of the month. The unit price for white tungsten concentrate with over 55% purity is 169,000 yuan/mt, also a decrease of 1,000 yuan/mt compared to the first half of the month. The price for ammonium paratungstate has been reduced by 500 yuan/mt compared to the first half of the month, with an execution price of 250,500 yuan/mt.