The company redesigned production for the supporting situation of the stone industry, the product can meet the overload requirements of the stone machinery on the motor power, to ensure that the motor in the short term overload withstand 1-3 times the current impact, or even greater overload requirements, and the dustproof and waterproof aspects have been greatly improved, and can also be designed and produced according to the requirements of customers for different voltages and frequencies. At present, there are well-known stone machinery manufacturers at home and abroad supporting the use of good response.