RSBM pob zeb thoob siv cov phaj ntxiv rau hauv qab, txhim khu lub thickness ntawm sab phaj, thiab nruab lub rooj tsav xwm tiv thaiv kom nws tuaj yeem tiv thaiv kev sib tsoo thiab khoov zoo.
Qhov zoo:
a.National standard,
b.Cov khoom siv zoo tuaj yeem ua raws li qhov xav tau
c.Txhawb OEM, ODM kev pabcuam
d.Min xaj kom muaj nuj nqis tsuas yog 1 daim
e.Siab siv zog,
f.tus nqi sib tw
g.Lub neej ntev thiab muaj zog bearing muaj peev xwm,
h.Kev pabcuam zoo tom qab muag
Post lub sij hawm: Mar-29-2021