Nanjing Comely Technologies Co.,Ltd is a Hi-Tech company headquartered in Nanjing which designs and produces high-pressure ball valves, needle valves, flanges, pipe fittings, tube fittings, and other related products that conform to domestic and international standards. Our products are widely used in nuclear power, petroleum, chemical, shipbuilding, engineering, metallurgy, machinery, and electric power industries, etc. Besides the above-listed items, Nanjing Comely Tech is also providing customized CNC precision machining services with more than 150 units of CNC, surface treatment, and casting machines.