Leshan High-tech Zone North Zone. The rural industrial integration demonstration park project in the north area of Leshan High-tech Zone consists of colored terraces, farming micro-fields, natural exhibition halls, wetland flower fields and dream hills, so the rainbow terraces in Leshan High-tech Zone are located in the north area. The official portal of Leshan High-tech Industrial Development Zone Management Committee was officially revised and launched in June, 20 18. It was hosted by Leshan High-tech Industrial Development Zone Management Committee and undertaken by Leshan High-tech Zone New Media Center.