1. Faculty of Automobile Engineering, National Polytechnic Institute of Cambodia, Phnom Penh, Cambodia
2. Production Technology Department, Walsin Energy Cable System Company Ltd., New Taipei City, Xinzhuang District, Taiwan
3. Department of Mechanical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
4. Department of IT Convergence Engineering, Kumoh National Institute of Technology, Gumi-si, South Korea