Zhongjia Copper Tube currently has three major production bases in Shandong, Changshu, and Hebei. Among them, Shandong Zhongjia is located in Zhaoyuan City, Shandong Province, which is known as the "Golden Capital of China". It covers an area of more than 300 acres and has more than 300 employees; Changshu Zhongjia is located in the High tech Industrial Development Zone of Changshu City, Jiangsu Province, covering an area of over 90 acres with over 200 employees; Hebei Zhongjia is located in Hejian City, Hebei Province, covering an area of over 100 acres and employing more than 150 people. The company mainly produces various specifications, models, and grades of copper pipes, copper ingots, and copper bars. Among them, R410A new refrigerant specific air conditioning copper pipes, refrigeration (refrigeration) engineering specific copper pipes, medical gas and vacuum seamless copper pipes, copper water pipes, branch pipes, and copper pipe components are the company’s core products, with an annual production capacity of 120000 tons. The product is widely used in fields such as refrigeration, HVAC, construction, medical, automotive industry, electronic information, shipbuilding, and ocean engineering. The company has advanced production technology and excellent technical equipment. We currently have 5 continuous casting and rolling copper pipe production lines and 2 extrusion copper pipe production lines. The testing equipment is complete, equipped with advanced testing equipment such as RO-306 oxygen analyzer, German made spectral analyzer, rotary eddy current flaw detector, metallographic microscope, etc., to ensure the quality of the factory products. The company has successively won the titles of "Third Place in China’s Top Ten Copper Tube Materials Enterprises", "China Famous Trademark", "China Nonferrous Metal Product Physical Quality Gold Cup Award", "Shandong Famous Brand", "Shandong Famous Trademark", "High tech Enterprise", "Provincial Contract abiding and Trustworthy Enterprise", "Shandong Consumer Satisfaction Unit", "Shandong Enterprise Technology Center", and Shandong "One Enterprise, One Technology" R&D Center Shandong Province’s "Specialized, Refined, Unique, and New" Enterprises, Shandong Province’s "Invisible Champion", "Jiangsu Province Private Science and Technology Enterprise", "Jiangsu Province Science and Technology Small and Medium sized Enterprise", Jiangsu Province’s "High tech Enterprise", "Suzhou Enterprise Technology Center", "Gazelle Enterprise", "Specialized, Refined, Unique, and New" Enterprises, Suzhou City’s "Heat Resistant, Anti Corrosive, and Heat Transfer Copper Tube Engineering Technology Research Center", Changshu’s "Top Ten Enterprise Research and Development Institutions", and "Top Ten High tech Enterprises" Waiting for honorary titles. The company has always adhered to the path of developing enterprises through science and technology, and has established long-term cooperative relationships with multiple universities such as Shandong University, Dalian Jiaotong University, and Shenyang Institute of Metals, Chinese Academy of Sciences. It has established industry university research practice bases, "Zhongjia High Performance Copper Research Center" and "Zhongjia Copper Processing Engineering Technology Center", as well as copper processing postdoctoral workstations and provincial-level key laboratories. The company has 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, "Efficient heat transfer copper tubes for central air conditioning heat pump units that balance evaporation and condensation" and "Zhongjia Multi element Micro alloy Precision Copper Tube", have been recognized as provincial high-tech products. "Thick walled circular seamless copper tubes" have won the National Key New Product Award. The company is a member of China Nonferrous Metals Processing Industry Association, China Building Metal Structure Association, Medical Gas Equipment and Engineering Branch of China Medical Equipment Association, China Refrigeration Association, National Nonferrous Metals Standardization Technical Committee, and other associations. At the same time, the company participated in the formulation and revision of multiple national and industry standards, and led the drafting of more than 20 national and industry standards. The strong production strength has established Zhongjia Copper Tube’s leading position in the industry. Over the years, Zhongjia Copper Tube has been listed as the preferred brand of copper tubes for multi unit pipeline installation systems by major air conditioning manufacturers such as Daikin, Midea, Hisense Hitachi, Gree, and Mitsubishi Heavy Industries Haier, thanks to its solid and excellent product quality and high-quality service in the R410A new refrigerant specific copper tube field. Looking ahead to the future, Zhongjia will continue to adhere to the business philosophy of "equality, integrity, cooperation, and development", continuously increase investment, accelerate the pace of enterprise development, and wholeheartedly provide the highest quality products and most satisfactory services for domestic and foreign customers. We are willing to cooperate sincerely with friends from all walks of life to achieve leapfrog development!