ROKE was established in 2008.We located in Nantong City, 2 hours drive to shanghai with convenient transportation access worldwide. We will arrive Shanghai in 41 minutes next year.Our products are widely used in industries of Oil, Gas, Shipbuilding.Always available to discuss your requirements and ensure full customer satisfaction.We have CNC machine, 3D measure equipment, Raw Material chemical composition inspection equipment, etc. We have obtained ISO9001-2008 certificate.