Yabla video uses of 铝合金

而且 érqiě
suǒ
yòng
de
材质 cáizhì
shì
quán
铝合金 lǚhéjīn
材质 cáizhì
and it's made entirely of aluminum alloy.
hěn
明显 míngxiǎn
shì
铝合金 lǚhéjīn
材质 cáizhì
Clearly, it is an aluminum alloy material.