Storage and Rong Testing is a third-party organization of battery certification and testing services, focusing on providing third-party certification and testing services for many battery manufacturers, including battery UL certification and testing, battery CB certification and testing, battery BIS certification and battery CTIA certification and testing.

Zhenda Group, as the supplier of Bus duct products for the project, started in 1999 and is a modern enterprise focusing on the design, research and development, production, sales and service of Bus duct, cable bridge, distribution cabinet, seismic support and hanger products. The company's products are widely used in data communication, energy and chemical engineering, research and development and manufacturing, power grid, commercial, residential, cultural and tourism, municipal public construction, warehousing and logistics, education and treatment projects.