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About Us

Jinan Ruiqing Technology Co., Ltd.

    Jinan Ruiqing Technology Co., Ltd. is a subsidiary of Qingdao Langjin Group Co., Ltd., integrating scientific research, development and manufacturing, and providing customers with high-efficiency and high-reliability compressor products for rail transit vehicle air conditioning, new energy vehicle air conditioning, industrial air conditioning and other fields. The company has complete R&D test equipment and quality assurance system. The fully enclosed variable frequency scroll compressor series products meet the strict requirements of high-speed railway vehicles for air conditioning compressors, and realize domestic substitution. The semi-enclosed scroll compressor series products are aimed at the new energy vehicle air conditioning market, and the product energy efficiency is leading in China. The company provides customers with tailor-made products with its excellent product R&D and design capabilities.

     After nearly three decades of development, Langjin Group has a number of core technologies in the field of air-conditioning variable frequency energy saving, and has laid a solid technical foundation in the design and development of high-efficiency variable frequency heat pump air-conditioning systems and variable frequency controllers. It has accumulated rich application experience in professional fields such as noise reduction technology, anti-vibration technology, wide voltage flexible technology, and system oil return technology.

     The company upholds the corporate culture of "Virtue, Benefit and Wisdom" and the manufacturing concept of "Careful Manufacturing" to provide customers with energy-saving, environmentally friendly, high-quality products and thoughtful technical support and services.

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