1. Impact resistance strengthened Specially developed engineering plastic maximized impact resistance of product. (It does not break to strong impact) 2. All style body-structure It is strong and quiet because of all style body and leg. 3. Lightened Weight 4. Rust Proof Engineering plastic does not rust in moisture or ammonia gas. And the body color does not fade away because of all style body without painting. 5. Simple design The external appearance is simple and clean because of all style body-frame without bolts and nuts. 6. Strong output Motor output made at about 13% upgrade more than other existing products. 7. Heat minimization We have produced the motors straight by our own motor factory, and the efficiency of motors is so maximized that heat is minimized.