Laser rust removal and welder?

I am thinking of buying a Laser rust removal machine. Yes they are expensive but they remove rust and pant and debri and make the surface ready for paint. I was looking on the Alibaba website and they run 6-9K for a 1000Watt unit. I found one on that also does welding. I currently

ZAC 200 W Desktop Laser Rust Removal Bulk Cleaning Welding for Oil Rus – ZAC Laser

Laser Cleaning and Welding Machines & Ultimate Buyers Guide

Laser rust removal and welder?, Page 2

Laser Cleaning Machine Laser Rust Removal Machine

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