Bingshan Sonyo Compressor (Dalian) Co., Ltd. (English name: Sonyo Compressor (Dalian) Co., Ltd.; Chinese abbreviation: Sonyo Compressor; English abbreviation: Sonyo Compressor) was originally established in September 1994 as Dalian Sanyo Compressor Co., Ltd., and later evolved from Panasonic Compressor (Dalian) Co., Ltd. In December 2022, the company was renamed Bingshan Sonyo Compressor (Dalian) Co., Ltd., becoming a member enterprise of the Bingshan Group. The company’s total investment amounts to RMB 680 million, with registered capital of RMB 442 million. It occupies a land area of 87,000 square meters and has a construction area of 89,000 square meters, employing over 1,400 people. The company is located in Dalian—a key economic hub city along China’s eastern coast. Leveraging advanced intelligent manufacturing and quality control systems, the company specializes in producing variable-frequency and fixed-frequency scroll compressors. Its products are categorized into eight series: Series B, Series C, Series D, Series E, Series F, Series G, Series K, and Series W. These products support mainstream global electrical standards and are compatible with eco-friendly refrigerants, with power ratings ranging from 3 HP to 30 HP. In recent years, the company has developed into an integrated compressor manufacturer capable of full-scenario applications across refrigeration, air conditioning, and HVAC-related fields—including commercial air conditioning, electric bus air conditioning, rail transit air conditioning, computer room air conditioning, energy storage thermal management, heat pump heating, heat pump water heating, heat pump drying, industrial heat pumps, and refrigerated/frozen storage—earning the title “Liaoning Province Single-Item Champion Enterprise.” Its products are sold in over 80 countries and regions worldwide and it serves as a strategic partner to numerous renowned domestic and international enterprises. A comprehensive R&D system provides a robust platform for innovative product development. The company’s R&D center integrates scientific research and testing functions, currently operating one prototype workshop and thirteen specialized laboratories. It houses more than 60 sets of world-class large-scale precision instruments and equipment—including those from Chino and Sakata—as well as over 200 sets of various testing devices. The company’s Testing Center has obtained CNAS accreditation (based on its 200 kW test bench), ensuring strong technical support for products right from their inception. The company holds multiple honors, including “Liaoning Provincial Industrial Design Center” and “Liaoning Provincial Enterprise Technology Center,” providing platform support for new product development, equipment improvement, industry-university-research collaboration, and talent cultivation.

Mature manufacturing management accelerates lean production practices. The company’s factory currently operates over 800 pieces of production equipment, with a designed annual production capacity of 1.6 million units. Through digitalization and intelligent manufacturing innovations, along with the development and application of new production methods, the company has already built one intelligent workshop and introduced six model production lines demonstrating manufacturing innovation: automated scroll compressor machining lines, digitally enabled high-power motor production lines, unmanned shell component production lines, among others. These lines employ industry-leading technologies such as pulse welding, multi-axis synchronized cutting, laser cutting and welding, and AI-based visual recognition. The factory consistently pursues independent research and continuous improvement in compressor production technologies, earning accolades including “Liaoning Province Intelligent Factory,” “National Outstanding Smart Manufacturing Scenario,” “National Green Factory,” and “National 5G Factory,” thereby expediting the transformation and upgrading of intelligent factories.

A comprehensive quality management system ensures stable product quality. Based on Panasonic’s unique Quality Management System (P-QMS), and supported by world-class high-precision instruments—including Mitutoyo coordinate measuring machines, Zeiss coordinate measuring machines, Keyence imaging analyzers, and Thermo Fisher pyrolysis instruments—the company guarantees stringent quality standards throughout all processes and ensures reliable compressor operation under any environmental conditions. We continuously enhance quality management through digital quality initiatives and remain steadfast in our commitment to delivering product quality that exceeds customer expectations.

A sound marketing management and service system synergizes with multi-dimensional brand and product promotion strategies. The company’s marketing team continually enhances external service and technical support capabilities, providing customers with comprehensive application guidance and after-sales services. Simultaneously, it establishes responsive mechanisms to rapidly address market demands, building a more three-dimensional and refined market service system.

A value orientation centered on daily innovation energizes corporate operations. Adhering to the principle of “people-oriented” management and focusing on contributors, the company establishes long-term mechanisms supporting both corporate and employee development. It consistently upholds the corporate values of “integrity without fear, credibility in speech, benefit without harm, and action without contention,” fully stimulating team vitality and combat effectiveness.