As electric vehicle startups accelerate global innovation, Guchen Industry offers tailor-made electric AC compressor solutions supporting a wide voltage range (12V–900V), eco-friendly refrigerants, CAN/LIN communication, and custom mechanical integration. From urban e-rickshaws to heavy-duty electric trucks, we help startups move from concept to production with flexible R&D support and fast prototyping.

This article explores the principles, technical processes, and strategic benefits of VPI in electric compressor applications, showcasing how leading manufacturers are using it to improve product longevity and performance under extreme conditions.

This article reviews the latest industrialization progress and highlights key technologies such as vapor injection, optimized compressor design, lubricant compatibility, electronic expansion valve adaptation, and advanced safety monitoring, positioning R290 as a leading refrigerant choice for next-generation EV heat pump systems.

This article provides a comprehensive overview of R290's chemical properties, safety considerations, applications, and key development highlights from leading global automotive suppliers and OEMs, including Dongfeng Motor, Guchen Industry, Highly, MAHLE, Valeo, and others. The rapid progress in R290-compatible components reflects the industry's commitment to sustainable, next-generation automotive thermal management solutions.

As electric vehicles evolve toward higher voltage platforms like 800V for long range and fast charging, ensuring the electrical safety of key high-voltage components—such as electric compressors—is critical. This article outlines the design goals, typical failure causes, and proven technical solutions to address insulation resistance, leakage current, HVIL integrity, controller waterproofing, and EMC issues. It also provides practical design recommendations for both motor and controller insulation, discharge mechanisms, and grounding strategies to enhance the operational safety and reliability of electric compressors in various harsh operating conditions.

This article provides essential installation tips for Guchen high-voltage compressors used in EV air conditioning systems. Topics include mounting orientation, refrigerant oil handling, grounding, bolt torque specifications, and best practices to ensure efficiency and longevity.