National Standard of the P.R.C., Implants for surgery - Metallic materials - Part 2：unalloyed titanium; (7 page(s), in Chinese)

National Standard of the P.R.C., General requirements on raw materials of toothpastes; (248 page(s), in Chinese)

National Standard of the P.R.C., Sterile hypodermic needles for single use; (21 page(s), in Chinese)