SMM July 15: Shanghai 0 # zinc mainstream transaction 19140 19180 yuan / ton, Shuangyan, Chihong 19180 19200 yuan / ton, 0 # ordinary July water 50 60 yuan / ton; Shuangyan, Chi Hong reported 70 100 yuan / ton. 1 # the mainstream transaction was between 19040 and 19070 yuan per ton.