Tianxin, Shifeng Zone 412001 Zhuzhou City, Huna Province CHINA is qualified to perform welding work within the range of certification of: Certification level CL1 according to EN 15085-2 Field of application: • New build parts for railway vehicles - Traction motor - Assembling of transformer casings 10/201 4.08 E A4 ® TUV, TUEV and TUV are registered trademarks. Utilisation and application requires prior approval Welding process according to DIN EN ISO 4063 Responsible welding coordinator: Yanhong Fei (IWE) born: 03.11.1976 Deputy with equal rights: Meiyang Zeng (IWE) Valid: Issued on: Auditor: General regulations A TUVRheinlandB Precisely Right.

Certificate no.: TUVRh/15085/CL1/421/0A1/15 Continuation of range of certification Additional welding coordinators: - Qinghua Luo, IWE, date of birth 1984-11-26 - Rui Han, IWE, date of birth 1990-01-24 - Ping Deng, IWE, date of birth 1978-01-27 - Shuang Li, IWE, date of birth 1987-02-19 - Yonghua Duan, IWE, date of birth 1976-12-14 - Ziling Xu, IWE, date of birth 1988-12-06 - Gongqin Xiao, IWS, date of birth 1976-02-07 - Ronghui Dai, IWS, date of birth 1969-10-12 - Li Tang, IWS, date of birth 1987-01-04 - Tianle Zhou, IWS, date of birth 1991-02-01

General regulations according to EN 15085-2 Revocation of the Certificate The national safety authority or the manufacturer certification body issuing this certificate may revoke the certificate if: - there are justified doubts as to the proper execution of the welding work according to the stated standards, - there are justified doubts as to the proper welding coordination according to the stated standards, - no recognized welding coordinator is available any longer, - no valid qualification test certificates for the welders and welding operators according to the specified standards are available, -...