How to choose a good roll bar?

Aesthetics:  fitting roll bar to make the vehicle lines more smooth and to increase aesthetics.

practicability:  roll bar should be with aestheti and practicability, for example, increasing the window guards to effectively avoid cargos to accidentally smashed the rear windshield.

Durability:   we use raw materials by Q235A or stainless steel. And we make a better surface treatment process to avoid corrosion and rust, which problems would shorten.