SMM7 March 31: Guangdong zinc mainstream trading at 18660-18830 yuan / ton, the price concentrated on the Shanghai zinc 2009 contract discount of 40 yuan to 20 yuan / ton, the Guangdong market discount of 70 yuan / ton compared with the previous trading day decreased by 40 yuan / ton. In the first trading session, traders received more goods yesterday, and the supply of goods in circulation declined slightly in the early market today, but the price was high and fluctuating, the purchasing demand downstream was limited, and some holders slightly adjusted their quotations, and the prices were loosened. Kirin, Mengzi, Huize, quotation for Shanghai zinc September contract discount 10-30 yuan / ton, Tiefeng, Feilong discount 30-40 yuan / ton, Danxia up 20 yuan / ton. In the second trading session, the monthly spread of futures widened, and some holders tried to push up the price, but the demand for low-price supply was better, and the downstream bargain slightly added weekend usage, and the demand was slightly better than the first trading session. Kirin, Mengzi and Huize quoted a discount of 20-30 yuan per ton for the September contract for Shanghai zinc and 10 yuan per ton for Danxia. Kirin, Mengzi, Huize mainstream transactions at 18660-18830 yuan / ton.