1. The State Council of the P.R. China, “Agenda 21,” White Paper on China’s Population, Environment, and Development in the 21st Century, adopted at the 16th Executive Meeting of the State Council of the P.R. China (25 March 1994).
2. General Administration of Quality Supervision, Inspection and Quarantine, Chinese National Standard GB 7258–2004.
3. B.S. Xu, “Nano-Surface Engineering and Remaunfacture Engineering,” Trans. Nonferrous Metals Society of China, 14 (Sp. lss. 2) (October 2004), pp. 1–5.