Sonyo Refrigeration Systems (Dalian) Co., Ltd. (hereinafter referred to as "Bingshan Songyang Refrigeration"), formerly known as Panasonic Refrigeration Systems (Dalian) Co., Ltd., was established in 2016 in the coastal city of Dalian. As one of China’s leading refrigeration industry enterprises, it is now a core subsidiary of Dalian Bingshan Group. Leveraging Bingshan Group’s profound expertise in the refrigeration industry and Panasonic Group’s advanced technologies in refrigeration systems, the company is dedicated to providing global customers with efficient, energy-saving, and environmentally friendly refrigeration solutions. Its product portfolio includes compressors and refrigeration units spanning a temperature range from -135°C to +95°C, covering various compression technologies such as scroll, piston, and screw types. These products are widely applied in sectors including ice sports facilities, juice and dairy processing, pharmaceutical and biotech industries, central kitchens, and integrated cold-chain logistics. The company is deeply engaged in green energy and energy conservation, having developed innovative technologies such as high-efficiency CO? transcritical full-ejector refrigeration systems, pump-fed CO? refrigeration systems, and integrated CO? transcritical five-in-one combined cooling and heating systems. It has also pioneered key components like high-efficiency oil separators and CO? gas coolers, along with their control technologies. Additionally, the company has innovatively integrated CO? transcritical secondary cooling and cascade large-scale refrigeration systems. These technologies have been implemented in high-profile projects such as the 2022 Beijing Winter Olympics National Ice Sports Training Center, large-scale supermarkets, cold storage facilities, food processing plants, and CCUS (Carbon Capture, Utilization, and Storage) applications. The company’s eco-friendly CO? refrigeration technology, which replaces traditional fluorinated and ammonia-based systems, holds a significant market share in China. It has delivered notable benefits in safety, environmental protection, energy efficiency, and emission reduction for Winter Olympics venues, civilian cold-chain enterprises, and commercial users. The company adheres to a robust quality management system, certified under ISO 9001 and ISO 14001 standards. Upholding its philosophy of "Quality First, Customer Foremost," it has earned widespread trust through premium products and services. Committed to shaping a sustainable future, Bingshan Songyang Refrigeration embraces social responsibility by leveraging cutting-edge technologies to reduce energy consumption and CO? emissions. Through reliable solutions, the company empowers clients to jointly build a harmonious, nature-coexisting world.