1. Hefei General Machinery Research Institute Co., Ltd., National Engineering & Technical Research Center on Pressure Vessels and Piping Safety, No. 888 West Changjiang Road, Hefei, Anhui 230031, P. R. China; Special Equipment Inspection Station of Hefei General Machinery Research Institute Co., Ltd., No. 888 West Changjiang Road, Hefei, Anhui 230031, P. R. China
2. Hefei General Machinery Research Institute Co., Ltd., National Engineering & Technical Research Center on Pressure Vessels and Piping Safety, No. 888 West Changjiang Road, Hefei, Anhui 230031, P. R. China