1、 Equipped with a Guardian brand housing, featuring a high-quality, ultra-quiet gearbox for stable operation.  
2、M6 reinforced gears, resistant to slippage, with strong load-bearing capacity and rapid bending capability.  
3、Four-layer speed-adjustable reinforced pulley, dual-speed regulation, enhancing efficiency at all stages.  
4、40Cr carburized accessories, including a jack-style carburized baffle and solid round discs/long strips, ensuring long-lasting durability.