Recently, IEC/TC34 work group meeting was held in SABS in Pretoria of South Africa, Dr. Zhuang Xiaobo, deputy director of standard technology department of SALT attended the IEC/TC34/COMEX and IEC/TC34/LUMEX meeting as observer. Part content of IEC 61347-1 Ed 3.1 and IEC 60598-1 Ed 8.2 was discussed on the meeting. More than 30 experts from 16 countries participated in the meeting.