ISO 8434-1 2018 DIN 3861 Hlau txiav nplhaib yuav tsum siv nrog lwm cov tshuab txuas hlau thiab steel leeg.
Stainless hlau txiav rings yog siv nrog lwm cov stainless hlau connector Cheebtsam thiab stainless hlau hlab.
Kev ntsuas tooj dag yuav siv los ua ke nrog lwm cov tshuab tooj liab txuas thiab tooj liab.
