Changfeng 880 slide-lifting door: we provide various famous European brands and Chinese brands for customers. The products functions perform smoothly with manual drive, electricity drive, and magnetic loop controllers. It operates very conveniently with its superior quality. Power: 250W, 330 W Way of drive: direct through axle/ indirect through chain link Position-control: though machine & electrics Function speed: 133mm/s (standard: SUNI8612) Times of start-up: 100/24 Hrs Temperature: -15íµ í½ +60. Size: Wide: 2240mm-12000mm; height: 2130mm-7300mm; Thickness: 40mm-45mm; Dimensions: 40M2 - 80 M2. Way of control: industrial open door machine. Balance system: spring equalizing device. Door panel material: hot-dip galvanized sheet steel padded with polyurethane foams. Fire-resistance class: European standard NF-P92-503 or German standard M2DIN 4120 B1. Orbit specification: 2 inches (51 mm)& 3 inches (76mm) , both of them adopt hot-dip galvanized sheet steel(1.5-3mm), providing customers with standard orbit, low orbit, high lift-out orbit, vertical lift-out orbit and slanting shed lift-out orbit.