On 2021-3-18, we sent out the 200pcs Solid Cast Iron Square Hotplates 300mm*300mm to one of our Korean customer. There are two power for the hotplate, 100pcs 440V 4000W and 100pcs 400V 4000W. We make the best square hot plates in China, this type of Square hotplate is same size as EGO type, so can be used as the replacement on the commercial cooking and marine cooking equipment. Because of the limiting of the mould and cost, we only make one standard size 300mm*300mm. and the voltage and watt can be make as per customers' requirements.