SEOUL - UN Secretary-General Ban Ki-moon said on Tuesday he will visit the Kaesong industrial complex just north of the inter-Korean border, which will make him the first UN chief to enter the isolated country in more than two decades.The Kaesong industrial complex, a special economic zone a few kilometres north of the heavily fortified border, is jointly run by North and South Korea."All parties would benefit from renewed engagement and commitment to genuine dialogue. It is essential for building trust and promoting inter-Korean relations," Ban said at an education forum in the South Korean city of Incheon, adding he aimed to make the visit on Thursday."The Kaesong project is a win-win model for both Koreas," he said."I hope my visit will provide a positive impetus to further develop it and expand to other areas," he said.North Korea is under UN sanctions for its nuclear and missile programs.