Hunan Hertz-Ohm Engineering Group Co., Ltd. and Heilongjiang Hengdian Company realized the north-south
cooperation, integrated the research resources of domestic
first-class colleges and universities, created the main body of
early development with related businesses in the field of lightning
protection, took engineering management and consulting business as
the new expansion goal, combined foreign trade and new technology A
comprehensive engineering consulting company integrating research
and development.