grg metrology & test group stated on August 26 on the interactive platform that it mainly conducted environmental reliability tests and electromagnetic compatibility tests for equipment-level products of multiple systems, such as flight control, onboard communication, power unit, and battery, in the airworthiness certification test of EH216-S unmanned aerial vehicle by ehang. Currently, the business volume accounts for a small proportion of the company's overall business. At the same time, the company has established business partnerships with multiple companies in the low-altitude aircraft industry and actively expands related customers to grasp the opportunities for business development.