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     Shanghai Chun Zu Machinery Industry Co., Ltd. (SHCZ) is a share holding company of Chun Zu Machinery Industry Co., Ltd (TWCZ) in Taiwan and a specialized manufacturer of cold bolt former、nut former、part former、thread roller and tooling etc. for making fasteners and other non - standard metal parts.


     Based on and benefited from the 50 year’s rich experience in fastener manufacture of “Chun Yu Group”, --- a world famous fastener maker in Taiwan and the major share holder of TWCZ, TWCZ has developed independently more than 102 models of 10 categories cold former, thread roller and other fastener making machines in about 40 years business operation. Characterized with high productivity efficiency, longer durability, easy adjustment and maintenance and outstanding cost effectiveness, “Chun Zu” Machinery is well suitable to production of fasteners widely used for civil and industrial applications including automotive, rail way、aviation、construction and electronic etc. industries and become one of the most renewed brands of the cold metal forming machinery in the world. To the end of 2009, TWCZ has manufactured and delivered about 12,600 sets of various cold former, thread roller and other fastener making machinery to hundreds customers worldwide. 


    Strictly adhering to TWCZ’s business believing and aiming to be the best manufacturer for fastener making machinery in mainland China, SHCZ has built its own modern workshops of more than 40,000 square meters equipped with 30 sets machine tools and high precision inspection facilities including large and advanced CNC machining centers and heavy bridge crane etc. With the strong technical support of TWCZ and dynamic managerial stuffs and workers, SHCZ can manufacture all types and models of cold formers and thread rollers with the superb quality and advantages same as those of TWCZ. Since it’s establishment in June of 1999, SHCZ has manufactured and delivered about 3,000 sets of cold formers and thread rollers to more than 300 customers in China and abroad. Most of them are the leading and famous fasteners manufacturers of civil, automotive, rail way, electronic, architect and aviation industries etc. 


      With firm business believing of “customer’s satisfactory, responsibility & cooperation and creation & innovation”, SHCZ will make its persistent efforts to contribute to the fast progress and development of fastener industry both in China and the rest of world. 





Multi-station bolt former (M2-25.4 mm, 3–4 stations)
Multi-station nut former (M6-20 mm, 5 stations)
Multi-station parts former (M6-30 mm, 5-6 stations)
1 die 2 blow header (M2-30 mm)
2 die 2 blow header (M5-10 mm)
Flat die thread roller (M2-M31.75 mm)
Cold forming toolings & thread rolling dies.  






     Cold forming and thread rolling of all kinds of screws、bolts、nuts、rivets、 standard or none standard metal parts used for buildings、steel structures、furniture、electric & electronic、machinery & instruments、automotive、motorcycle & rail way etc. industries. 




    Cold forming analysis, design of cold forming and thread rolling technology and tooling
for the follows:

     1.GB, DIN, JIS and AISI standard fasteners;

     2.None standard fasteners and massive produced metal parts for automotive, electronic
and steel structure etc. industries.

     Customer service: 

     1.Before sales service: provide customers with technical study and analysis for forming
process and equipment suitable to their products to be manufactured;

     2.After sales service:  machine repair and trouble shooting, parts and components
supply and maintenance service;

     3.Re-furnish & re-conditioning of used machine.

     Technical training:   

     Provide customer with technical training in tooling setting, machine operation and
maintenance in accordance with their needs and requirements.