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              | Zibo Development Zone Zhongyuan Automatic Equipment Co., Ltd. is a specialized enterprise in auto spring equipment design and manufacturing. It is approved by ISO9001:2000 quality system. In 1995, our co. and Horikiri Spring Mfg. Co., Ltd. of Japan signed a long-term agreement in technical co-operation, and adopting JIS in spring equipment design and manufacturing. In 1996, our co. was approved ※Designed Spring Equipment Manufacturing Enterprise in China§ by the Spring Products Quality Inspection & Testing Center of Ministry of Machine Building due to investigation our co. and visiting our clients. At the same time the Eye Forming Machine, Pre-setting and Load Testing Machine, Ratio Servo Long Taper Rolling Machine, Hot Air Circulating Tempering Furnace, and Shot-peening Machine, etc. designed by our co. were designed as ※Approved§ and ※Recommended§ products. In Aug. 1996, our ※Pre-setting and Load Testing Machine§ was approved as ※New Products of State Level§ by State Economic & Trade Commission. In the past years, we acquired 4 national patents: ※Oil/Gas Burning Tempering Furnace§, ※Roller Type Heating Equipment for Leaf Spring§, ※Pre-setting and Load Testing Machine§, ※Automatic Eye Forming Machine§. In latest several years our equipments have been sold aboard such as South Korea, Viet Nam, Indonesia, etc. 
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              | Hardening Furnace               Load Testing Machine                Tempering Furnace Hardening Furnace              Rolling Machine                          Quenching Machine
 Eye Forming Machine       Performance Testing Machine      Spring Assembling Line
 Shot-peening Machine
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                      | Company : | Zibo Development Zone Zhongyuan Automatic Equipment Co., Ltd. |  
                      | Email: | Contact us |  
                      | URL: | ******** |  
                      | Phone: | ********* |  
                      | Fax : | ********* |  
                      | Country : | China |  
                      | Address : | ********* |  
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