How about Weifang Li Hong Group?
Weifang Li Hong Group is good. There are 7 pieces of trademark information, 98 pieces of patent information and 1 piece of copyright information in intellectual property rights. In addition, the enterprise also has 2 administrative licenses. Weifang Lihong Group is a high-tech enterprise committed to the comprehensive development and utilization of clean energy, and is in a leading position in the environmental protection and new energy industries. Shandong Heat Pump Engineering Technology Research Center, an authoritative clean energy research and development institution.