... *800*58012) Particular recommended : Metal heat treatment , the camshaft forging parts13) Temperature protection 50 degrees Zhengzhou Gao ... 30% compared with tube-type power, than the silicon in the frequency of saving 20%.2, stable performance: ... deformation.4, small: light weight, easy installation.5, the sensor from the transformer-isolated, secure.6, environmental protection: No pollution, ...