about us

about company in whole

The products are mainly used in the fields of wind power,construction,oil field,transportation and furniture. The metric nuts are sold to America,Europe,Middle East,Asia and domestic markets.

about us

Haiyan Jindu Hardware Co., Ltd was founded in 2005, is a professional

China metric nuts manufacturers and carbon steel nuts suppliers

. The factory locates in the northwest of Hangzhou bay bridge, around 100 kilometers away from Shanghai, Ningbo, Suzhou and Hangzhou, convenient transportation help us save shipment costs.

Our purpose

The company's principle is “quality is the life of enterprise”,meet or exceed customer requirements by improving technology and quality.At the same time assure timely delivery and perfect after-sales service...

Our products

The factory mainly produces carbon steel nuts,including hex nuts,flange nuts,heavy hex nuts,thin nuts,nylon nuts etc,annual output is 10,000 tons.Standards involved ISO,DIN,ANSI/ASME,BS,UNI,JIS,AS and GB,etc and non-Standard parts...

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Our aim is to provide the market and customers with high-quality metric nuts and carbon steel nuts,where there’s fastener,there’s JINDU product.


We have 15 years production and sales experience,and can serve customers better.


We have professional R&D team,and we can develop and produce carbon steel nuts according to the drawings or samples the customers offered.


We have our own testing lab and advanced and complete inspection equipment,which can ensure the quality of the metric nuts


We are factory entity, and only produce nuts, it makes us more professional.


We are close to Shanghai & Ningbo Port,it is very convenient and efficient to ship goods to any other countries,and help us save costs.


The company keeps a stock of standard parts in case customers need them urgently.

After Sale Service

We have good after-sales service system, the sale is just the beginning of our service, and we will be responsible to the customer to the end.

“Quality is the life of enterprise”

Latest Products

we can develop and produce products according to the drawings or samples the customers offered.

Latest news

Get the latest news and follow the coverage of company news and industry news.

Weaknesses of Half-Round Keys


Weaknesses of Half-Round Keys The semicircular key is a kind of key, the upper surface is a plane, t...

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How the flat key and the semicircle key are connected


1. Flat key and semicircular key connection Flat key----The side of the key is the working surface, ...

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Hex nuts are parts that tightly connect mechanical equipment


The hexagonal nut is a part that tightly connects the mechanical equipment. It can be connected toge...

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Contact Us

We will respond patiently and meticulously to any advice and feedback from our customers.



Fax: +86-573-86975828




Adress:NO.2666 Lenggang Road,Wuyuan Town,Haiyan County,Jiaxing City,Zhejiang,China