Shaanxi Province-based Chinese steelmaker Shaanxi Iron and Steel Group has announced that it produced 4.56 million mt of pig iron, 4.63 million mt of crude steel and 3.83 million mt of finished steel in the first half of the current year, up 51 percent, 53 percent and 50 percent year on year, while it recorded an operating revenue of RMB 25.3 billion ($3.72 billion), up 28.43 percent year on year, achieving the best operating performance since 2011.