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Spring steel flat bar

product line

?We are able to produce dozens of types of spring flat steel from 6*40mm to 20*150mm. The matarials are mainly 65Mn,60Si2Mn, 50CrVA and SUP-9 etc.This product is the best choice for tiller blade 、leaf springs and chains.

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auto leaf springs

product line

?Leaf Spring made by our own spring steel flat bars, by which we could ensure the quality of the raw material in the first place. From stringent control of all process, through closely monitoring every step of manufacturing.

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product line for prestressed steel

prestressed products

product line

?This products is mainly used in various shapes of tensioning prestressed concrete structures. We can manufacture according to GB/T5223 , ASTMA 416 , BS5896 , JISG3536 , ISO6934 , EN10138 and the agreed standards .

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We participate in many

exhibition shows all over the world every year:

exhibition shows

  • Auto Motor parts Exhibition in Vietnam
  • CAMBODIA Import-Export Exhibition
  • Automec Pesdos&Comerciais in Brazil
  • EIMA International EXPO in Italy
  • Canton Fair in GuangZhou China
  • Automechanika Shanghai
  • Concrete Show in Brazil
  • Indo metal in Indonesia
  • ......
  • ...
  • .


choose us


has engaged in the international business for more than ten years,and clients spread all over the world, main markets: Middle east, Africa, South-east Asia, Latin America etc. We welcome friends from domestic and abroad to come for business and investment cooperation!

To customers: we will abide to our service tenet, honor our commitment and cooperate with our customers and partners with our sincere heart.

For future: we are ready to provide all-round high quality service to create promising future.




Yiyuan ai(壹元愛)?public welfare society is a private non enterprise units,

have a Council and board of supercisors, regularly every year to accept annual inspection of the Civil Affairs Bureau.

Yiyuanai has set up the accounting team, material team, planning team, publicity team?and copywriter team, project team, such as multiple functional departments,?which are matched with each other, supervision, and work together to children living in poverty send to the warmth and sunshine。

By volunteers of ?Yiyuanai fieldwork has in Luhuo County, Ganzi Prefecture, Sichuan Province Yimu?Center Primary and Renda Village?Yiri?primary school setting support site. In the future we will further expand the object, but Yiyuanai?of the object is mainly the student community of poor living.

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Our Hours:

24 Hour Emergency Towing
Monday - Friday: 7:30 am - 6:00 pm Saturday: 7:30 am - Noon Night Drop Available
86 22 87820460 Xizhaizhuang Economic Development Zone, Jinghai, Tianjin, China