Square tube derusting and polishing machines are mainly used for instrument machinery, vehicle accessories, hardware manufacturing, surface derusting and polishing, utilizing round tubes, round bars, etc. They are easy to operate and cost-effective. The machines can achieve automatic surface polishing. Suitable for small and metal workpieces. Surface gloss and burr removal are automatic. They can be operated by one person for multiple units. Mainly used by customers in craft processing factories, hardware processing factories, sanitary ware processing factories, electronic processing factories, etc. This equipment is relatively easy to operate and has low skill requirements for operators. It can improve production efficiency, reduce labor intensity, save production costs, enhance product quality, and minimize quality variations.