Shanghai TopKun Industry Co, Ltd is specialized in manufacturing and exporting standard and non-standard fasteners and hardware with more than 15years’s experience.

Our factory  Ningbo Yueli High-strength Fastener Manufacture Co.,Ltd., is located in the famous port city of Ningbo -Jiulong Lake , Zhenhai. Maily manutacture high strength bolts which widely used in steel structral, Metal Buliding, Oil& Gas, Tower & Pole etc.the products we mainly manutactured including SAE J429 Gr.8/Gr.5 Hex bolts/hex cap screw, Heavy hex bolts ASTM A325/A490/A307, Stud bolt A193 Gr.B7, B7M etc.

In order to meet most of our clients’ ONE-STOP SHOPPING demand, we built the office Shanghai TopKun Industry Co, Ltd in Shanghai on 2009,Topkun not only export the hign strength bolts we manufactured but also built a sourcing team, now we enjoyed very good relationships with a lot of factories in China. in fastener and hardware area, so we can offer our customers very good price not only for the products we manufacturing by ourselves, but also for the items which we sourcing from our good cooperated factories.

TopKun’s Advantages standard Products:
(1) Gr.8/Gr.5 Hex Bolt, Gr.8/Gr.5 Hex Flange Bolt, A325 heavy hex bolt, B7 stud bolt, A394 T0/A394 T1 Tower Bolt, Step Bolt, T bolt ;
(2) Hex Nut, A194 Gr.2H Heavy Hex Nut, A563 Gr.A/C/DH Heavy Hex Nut, Hex Coupling Nut, Square Nut;
(3) F436 Harden Washer, Flat Washer;
(4) Chipboard Screw, Self-drilling Screw, Self-drilling Screw, Drywall Screw, Machine Screw.

At the same time, as our president has been in fastener, stamping and turning line for about 15 years, Topkun also have a big capability of supplying non-standard parts with good quality and competitive price, if you have any demand of non-standard fastener(bolts,nuts,screw,washer),stamping parts, turning parts, machining parts etc., just send us your drawing or samples or even an idea, then we can work out what you need…

TopKun’s goal is 5G:
G- supplying good quality products
G- supplying good prices
G- supplying good delivery time
G- supplying good service
G- To be good friends
TopKun keeps working hard to make it easy for our clients to reduce the cost!
If you have any demand of our line, topkun will be sure your first choice.