SMM July 31: Guangdong 0 # zinc mainstream transaction in 1980 to 19480 yuan / ton, Shanghai zinc 1909 contract discount 80 to 70 yuan / ton, Guangdong market than Shanghai stock market to maintain the discount around 120 yuan / ton yesterday. Refinery normal shipment, the market supply circulation is more abundant, in the morning some of the holders quoted price in the average price of-10 yuan / ton, some concentrated in the 09 contract quoted in the discount 60-discount 70 yuan / ton, but downstream participation is not strong, the receiver is willing to receive the 09 discount 70 to 80 yuan / ton, the market transaction is slightly deadlocked, the overall market trading atmosphere continues light, the disk is slightly downward, the market transaction is slightly deadlocked, the overall market trading atmosphere is light, and the plate is slightly downward, if the willingness to participate in the downstream is not strong, the receiver is willing to receive the goods at the 09 discount of 70 yuan to 80 yuan / ton. The market shipment situation is only slightly better than yesterday. 0# Kirin, Cishan, Tiefeng and Mengzi mainstream were sold at about 1980 yuan / ton.