Qingdao Zhangshi Group Co., Ltd. (former Qingdao Zhangshi Machinery Co., Ltd., established in May 2003 with the capital assets of 6.5 million dollars) was founded in Oct. 2010 with the capital assets of 50 million Yuan and covers an area of 58 thousand square meters including a building area of 39 thousand square meters. As a Qingdao High-tech enterprise, the company got 23 patents and passed the certifications of "ISO/TS16949: 2009 Quality Management System", "ISO14001: 2004 Environment Management System" and "ISO9001: 2008 Quality Management System". Our products mainly include bearings, piston rods for auto gas support springs, steel piston rods for office chairs, etc.

The company is equipped with self-researched high-precision micro CNC lathes, automatic hydraulic lathes, milling machines, square cutting machines, thread rollers, precision straighteners, Taiwan's centerless grinders, fine buffing machines, etc. And adopts internationally advanced QPQ salt-bath nitrocarburizing heating treatment lines, high-frequency quench crafts, American micro Vickers sclerometers, Japanese surface roughometers, salt spray testers, eddy current flaw detectors, heating treatment lines, online monitoring and data acquisition systems, CCD image size testing systems, CCD image surface testing systems, etc. All of those complete processing equipment and advanced technologies and testing equipment assure the product quality.

Modern office equipment and safe network platform improve our work efficiency, and double optic network, IBM server, Ufida ERP system, logistics, storage, finance and office automation enhance the department harmony and unitarity.

In the service tenet of "Your Satisfaction, Our Target", we are willing to provide customers with better products and cooperate with customers for a mutual development!