is a Chinese high-tech firm founded in 1995, specializing in digital infrastructure, data center solutions, and clean energy, offering end-to-end services from consulting, design, R&D, manufacturing (especially cooling & power), to testing, construction (EPC), and operations/maintenance, serving sectors like telecom, finance, and energy with a focus on energy efficiency and liquid cooling. They are known for their comprehensive national service network, green design, and innovation in cooling technologies.