Jiangsu Province-based Chinese steel producer Wujin Stainless Steel Pipe Group Co., one of the largest stainless steel pipe producers in China, has announced an operating revenue of RMB 1.452 billion ($0.21 billion) for January-September period of the current year, up 41.86 percent year on year, and a net profit of RMB 145 million ($20.83 million) for the given period, increasing by 55.72 percent year on year.