Qhov kev sib tw tseem ceeb ntawm Yuanli yog kev txawj ntse, 5-10% ntawm cov nyiaj tau los ntawm kev muag khoom tau nqis peev rau hauv kev tsim kho thev naus laus zis hauv 14 xyoo dhau los.
★ Ntau tshaj 210 cov txuj ci kev txawj ntse thiab 67 cov cuab yeej cuab tam;
★ National lub chaw kuaj tseem ceeb thiab qhib cov pa roj carbon R&D chaw;
★ D-qib plua plav-dawb rhiav rau kev siv tshuaj;
Yuanli lub chaw ua haujlwm muaj peev xwm txheeb xyuas thiab ntsuas cov khoom siv roj carbon activated raws li GB / T, ASTM, JIS, JECFA thiab lwm yam kev sim.
