应日本广播协会（NHK）和韩国文化广播公司（MBC）的邀请，张海涛副总局长率中国广播电视技术团一行6人于1999年6月13日至24日对日本和韩国的广播电视业进行了考察，代表团成员有广研院郭炎生、科技司江澄、信息网络中心马炬、外事司间成胜（崔成浩只去韩国）和办公厅涂昌波。 At the invitation of NHK and MBC, Deputy Director Zhang Haitao led a 6-member delegation of China Radio and Television Technology Group to Japan and South Korea’s radio and television industry from June 13 to June 1999 The delegation members included Guo Yancheng, Jiang Cheng, Division of Science and Technology, Ma Ju, Information Network Center, Department of Foreign Affairs, Cheng Chengsheng (Cui Chenghao only to South Korea), and Tu Changbo, General Office.