1.ISO09001 kev tswj hwm qhov system ntawv pov thawj
2.ISO 45001: 2018 Kev Tswj Xyuas Kev Noj Qab Haus Huv
3.ISO14001 ib puag ncig kev tswj qhov system ntawv pov thawj
4.IATF16949 kev tswj xyuas qhov system ntawv pov thawj
5.Nyiv 3547/3548/3537/3543 ntawv pov thawj
6.Korea KS D 7011/7036 ntawv pov thawj
7.Australia ACRS AS/NZS 4671: 2019 ntawv pov thawj
8. Malysia SIRIM MS 1137:2009
Lub npe "Li Fu" raws li tau txais txiaj ntsig nrog "Famous Suav Trademark"; lub "Tianxin" nrog "Tianjin Famous Trademark".Tau ntau xyoo tau rated raws li lub teb chaws "ua raws li daim ntawv cog lus, nqi credibility" units. Raws li lub hauv paus zoo rau kev ncaj ncees thiab lub zog ntawm kev lag luam, Huayuan yuav muab peb cov kev daws teeb meem zoo rau koj.