... AC115V, AC220V, AC230V, AC240V, AC380V, AC440V, AC600VProducts classified by power :500W, 800W, 1000W, 1200W, 1500W, 2000W, ... 2300W, 3000W,4500w, 5000w, 7500w, 10kwProducts classified by diameter :Φ60mm , φ90mm, φ100mm, φ120mm, φ130mm, φ150mm, ... a company well-designed long-life, high temperature, high-reliability products. In the life of the product, stability, reliability ...