SMM News, April 17: According to SMM, Shandong Humon Smelting Co., Ltd. started a public tender today for the sale of approximately 32 mt of antimony trioxide. According to official information, the quality standard of this batch of antimony oxide is YS/T 1117-2016, with the grade Sb2O3-1. The delivery method is self pick-up by the buyer, and the freight is borne by the buyer. The buyer needs to pay first before picking up the goods, and the delivery location is at Shandong Humon Smelting Co., Ltd.