Zhongjia mainly produces various specifications, models, and brands of red copper pipes. Among them, R410A new refrigerant dedicated air conditioning copper pipes, refrigeration (cold storage) engineering dedicated copper pipes, medical gas and vacuum seamless copper pipes, copper water pipes, branch pipes, and copper pipe fittings are the company’s core products, with an annual production capacity of 120,000 tons. The products are widely used in refrigeration, heating and ventilation, construction, medical, automotive industry, electronic information, shipbuilding, and marine engineering fields. The company has advanced production technology and excellent technical equipment. It currently owns five continuous casting and rolling copper tube production lines and two extrusion copper tube production lines. The testing equipment is complete, equipped with RO-306 oxygen analyzers, German-made spectrometers, rotary eddy current flaw detectors, metallographic microscopes, and other advanced testing equipment to ensure the quality of products leaving the factory. The company has won many honorary titles such as China’s Top Ten Copper Tube Enterprises Third Place, Famous Trademark in China, Gold Cup Award for Physical Quality of Non-ferrous Metal Products in China, Well-known Brand in Shandong Province, Famous Trademark in Shandong Province, High-tech Enterprise, Provincial Level Contract-Honesty Enterprise, Shandong Province Consumer Satisfaction Unit, Shandong Province Enterprise Technology Center, Shandong Province ’One Company One Technology’ Research and Development Center, Shandong Province ’Special New’ Enterprise, and Shandong Province ’Invisible Champion’. The company always adheres to the path of scientific and technological enterprise development. It has established long-term cooperative relationships with universities such as Shandong University and Dalian Jiaotong University, as well as the Shenyang Institute of Metal Physics of the Chinese Academy of Sciences. It has set up a practice base for industry-university-research cooperation and established the Zhongjia High-Performance Copper Materials Research Center and the Zhongjia Copper Processing Engineering Technology Center. It has also established a postdoctoral research station for copper processing and provincial key laboratories. The company owns more than 40 invention patents and multiple scientific and technological achievements have won provincial and ministerial level science and technology awards. Among them, two products, High Efficiency Heat Transfer Copper Pipes for Central Air Conditioning Heat Pump Units that Take into Account Evaporation Condensation and Zhongjia Multi-element Micro Alloying Precision Copper Pipes have been recognized as high-tech products in the province. The product Thick Wall Round Seamless Copper Pipe has won the National Key New Product Award. At the same time, the company participates in the formulation and revision of multiple national standards and industry standards, leading the drafting of more than 20 national standards and industry standards. The strong production capacity has established Zhongjia Copper Tubes’ leading position in the industry. Over the years, Zhongjia Copper Tubes have been listed as the preferred brand for multi-split pipe installation systems by major air conditioner manufacturers such as Daikin, Midea, Hisense Hitachi, Gree, Mitsubishi Heavy Industries Haier in the field of R410A new refrigerant dedicated copper tubes due to their solid product quality and excellent service. Looking forward to the future, Zhongjia will continue to adhere to the business philosophy of equality, integrity, cooperation, and development. It will continuously increase investment efforts and accelerate the pace of enterprise development to provide customers at home and abroad with the highest quality products and most satisfactory services. It is willing to cooperate sincerely with friends from all walks of life to achieve leapfrog development!