We mainly produce as following:

the stud bolts include B7, B7M, L7, L7M and B16.
Our producing range: diameter: 5/16”-4”, M8-M100,
Length: 16MM-6000MM.

The bolts grade 8.8, 10.9, 12.9,
A325, A490, A394, A449, etc;


Our yearly through put for
bolt is 6000 Tons and for stud bolt is 10000 Tons.
Now our products are widely export to America,
Southeast Asia, Europe, Middle East and so on.


www.ydfastener.com

NingBo ZhengHai YongDing Fastener Co., Ltd.

Address：Jiulonghu,Duguo village,
Zhenhai, Ningbo, Zhejiang, China

Sucre Zhang
Email: yd_fastener@126.com
Skype: zllgh12
Mobile: 86-18258795104
Tel： 86-574-86535858
Fax： 86-574-86535775