(088.hk) subsidiary kingboard copper foil has released its performance in the three months up to September 30, 2018. During the period, the sales volume of kingboard copper foil has reached 144 million Hong Kong dollars, down 3.96 percent year-on-year.Gross profit of hk $20,389,000, down 3.21% year on year;Holders of ketao copper foil should account for hk $5918,000 in profit, up 4.37% year on year.