SMM June 21: Guangdong 0 # zinc mainstream transaction in 19850 19950 yuan / ton, Shanghai zinc 1908 contract rising water 230240 yuan / ton, Guangdong stock market than Shanghai market from yesterday's discount 130yuan / ton nearby narrowed to discount 80 yuan / ton. Disk down, refineries slightly cherish the sale, the market supply circulation impact is not great. In the morning, the holder reported that the increase in water supply for the 08 contract was about 260 to 270 yuan / ton, and the market transaction was not apparent. Entering the second trading session, the holder cut the water to 230 to 240 yuan / ton, after the price adjustment, the market transaction received a significant boost. Today's market down, the market every low to buy replenishment warehouse willingness to strengthen, Guangdong market trading atmosphere has warmed up, the transaction situation has improved compared with yesterday. 0# Kirin, Cishan, Tiefeng, Mengzi mainstream transactions in 19850 to 19950 yuan / ton.