... electric rings, heating ring, high-grade injection molding machine, plastic injection machine, granulating machine export support products, ... , AC220V, AC230V, AC240V, AC380V, AC440V, AC600V Products classified by power : 500W, 800W, 1000W, 1200W, 1500W, 2000W, 2300W ... , 3000W, 4500w, 5000w, 7500w, 10kw Products classified by diameter : Φ60mm , φ90mm, φ100mm, φ120mm, φ130mm, φ150mm, ...