“…For more than 20-year development, the legal system and technical framework of CP have been gradually improved and perfected through numerous pilot studies, demonstration projects and practices, all over the country. Resulted from several factors, including internal and external barriers (for example, policy and market aspect, financial and economic aspect, technical and information aspect, and management and organization aspect), several deficiencies, defects, and shortcomings have also emerged along with some remarkable achievements [5][6][7][8]. In addition, various regional approaches for CP implementation have evolved, due to local peculiarities and disparities, and regional differences [9].…”