yy 0285.1 codeofchina.com codeofchina.com is a professional chinese code translator, providing you the english version of all the chinese codes like gb, cj, dl, et, hg, jb, jc, jg, jt, nb, sh, tb, tsg, yb Category:metals and mining Global Rank:837,664 visits:45.3K pages/Per:2.5 ADS