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About Us

Our History

Haiyan Dowson's Fasteners Co., Ltd. manufactures a wide variety of fasteners in a variety of standards and materials.Such as bolt, screw, washer and so on. More details you can see our catalog or products categories.


DSF was started as a fastening trader named HAIYAN HURRAS IMPORT AND EXPORT CO.,LTD in 1990.We built our first factory in 2008, DOWSON'S FASTENERS CO.,LTD,which was located in the well-known fastener city and production base,Haiyan,where Hangzhou Bay Cross-sea Bridge is available and enjoys extrordinarily convenient transportation,container shipments could be delivered either to SHANGHAI or to NINGBO port smoothly and quickly.


Dowson's plant covers with landspace of 6,500 square meters,equipped with advanced production facilities,tools and testing equipments.i.e. forging bolt machine,threading machine,hot heading bolt machine,cold-forging nut machine,hot forging nut machine,automatic punching machine, Vikers Hardness Tester and Tensile Testing Machine,etc.


DSF is dedicated to supplying high quality bolts,nuts,wood screws,cap screws,tap bolts, lag bolts,hex machine bolts,carriage bolts,machine screws,U-bolts,anchor bolts and so on.


"Dear friends,let's work together,brainstorm and come up with better fastening solutions." ------- Mr Dowson Liu,president of DSF and HURRAS,vice president of Zhejiang Fastener Association.Always better service,lower prices.


Our Factory

DSF was started as a fastening trader named HAIYAN HURRAS IMPORT AND EXPORT CO.,LTD in 1990.We built our first factory in 2008, DOWSON'S FASTENERS CO.,LTD,which was located in the well-known fastener city and production base,Haiyan,where Hangzhou Bay Cross-sea Bridge is available and enjoys extrordinarily convenient transportation,container shipments could be delivered either to SHANGHAI or to NINGBO port smoothly and quickly.


Product Application

Our products are mainly used in shipbuilding, mechanical equipment, construction engineering, aerospace, railway tracks, and automotive accessories.


Our Certificate

ISO9001


Production Equipment

Cold heading machine, wire rolling machine, metallographic analyzer, flaw detector, hardness tester, and various material testing and analysis equipment.


Production Market

We have a long-term cooperation with the US and South Korean markets for over 20 years, and our customers have high recognition of our products in terms of quality and price.


Our Service

Pre sales: We showcase various samples that meet the customer's procurement requirements.In sales: We provide real-time feedback on production status for customers, promptly notifying them of any issues that arise during production, so that customers can grasp the situation in a timely manner.


After sales: Before delivery, we will have QC complete various tests and seal samples for retention. If customers have any problems during use, we can directly identify the problem from the retained data and cooperate with customers to identify the root cause of the problem, so that customers have no concerns.


Our Exhibition

Fastener Fair Vietnam 2023,Fastener Fair Mexico 2023, The International Fastener Expo Las Vegas 2023.