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TEL: 86-769-2868 3305
E-mail: info@dgpowerspring.cn

Dongguan Yongsheng Metal Products Co., Ltd
Add: No. 27, the 2nd industrial,
      Heshi Road, Hekeng Village, 
      Qiaotou Town, Dongguan City,
      Guangdong Province, China
Tel: +86 769 2868 3305,
        +86 769 8103 9998-107
Fax: +86 769 81039997
E-mail: info@dgpowerspring.cn
Skype: dgpower.spring
MSN: info@dgpowerspring.cn
Web: www.dgpowerspring.com

Quality Management advantage

1.Incoming inspection of raw materials: using the most advanced testing equipment and most stable method to inspect the thickness and hardness, from the source to ensure the production materials 100% in accordance with production requirements.

2.Load force test: customized testing equipment, sampling once every 30 minutes in the production process to ensure the stability of every batch of spring load force.

        constant force spring tester

3.Life cycles testing: customized testing equipment, 24-hour detection, ensure the of the lift time of the spring.
                          sprial spring lift time tester

Copyright© 2012Dongguan Yongsheng Metal Products Co., Ltd
Tel: 86-769-28683305,81039998 Fax: 86-769-81039997 Email:info@dgpowerspring.cn
Add: No. 27 the second industrial, Heshi Road, Hekeng Village, Qiaotou Town, Dongguan City, Guangdong Province, China.