Cov lus piav qhia luv luv:

Hels9va-63 series yog ib qho ntawm voltage tam sim no tiv thaiv tsim thiab manwfactured los ntawm

Txais cov International Advanced Technology, muab kev pab nrog ntau lub zog (overrer

kev tawm tsam, dhau tam sim no, pib tawm, voltage tam sim no zaub thiab cov khoom siv tau hloov,

Tam sim no & sijhawm), siv dav hauv cov hluav taws xob, kev lag luam thiab kev lag luam