Dongguan Chenghao Machinery Co., Ltd. was established in 1990, specializes in manufacturing and exporting high frequency welding machines. We have over 20 years of HF machines manufacturing experience. Our dedication in improving the high frequency machine had make us become the only one company that had first to developed a great solution to resolve high frequency interference.Chenghao ElectricOEM/ODM machines for 1/5 of the high frequency machine companies in China. Our machines have been exported to many countries. We had sold more than 4000 machines worldwide and obtained a great...