When it comes down to nuts, bolts, screws, and rivets, strength is everything. Kunshan ZONFA is synonymous with strength and durability. The company specializes in the manufacturing of hardware products.

Kunshan ZONFA was founded in 2003 and is a specialized manufacturer of fastener hardware, such as precision electronics screws, self-tapping screws, trilobular thread screwss, computer-aided turning parts, SEMS screws, and much more.

Electrical Contacts
SEMS Screws
Micro & Precision Screws
Custom Bolts

Custom bolts are a commonly used fastener that utilizes a thread and is used in conjunction with a nut. Bolts are widely used in various mechanical equipment, laboratory instruments, computers, railway tracks, bicycles, cars, and more.

Custom Nuts

When used together with bolts and screws, custom nuts are commonly used in various mechanical equipment, laboratory instruments, computers, railway tracks, bicycles, and cars.

Non-Standard Screw Fasteners

Here at Zonfa, we own and operate high precision screw production equipment and testing equipment, allowing us to offer our customers custom shaped screws, computer fasteners, and non-standard screws.

ZONFA is professional screw customization manufacturer who can provide all kind of screws made from different materials. The screws can be produced according to local standards.

Stainless Steel Micro Fasteners

Our stainless steel micro fasteners are produced with consistently high quality. Stainless steel fasteners are commonly found in electric appliances, furniture, bicycles, cars, and many other everyday products. The fasteners are high strength, corrosion resistant, and highly conductive.

Carbon Steel Micro Fasteners

Carbon steel micro fasteners are designed with great forging performance and wear resistance. They are suitable for use in equipment with medium to low strength requirements. You will find these fasteners in small furniture, tents, and some building materials.

Alloy Steel Micro Fasteners

Alloy steel micro fasteners are made from a specially formulated alloy for high strength, low weigh, impact resistance, and corrosion resistance. They are suitable for use no automobiles, precision machinery, and large equipment.

Copper Micro Fasteners

The biggest advantage that comes along with copper micro fasteners is the conductivity that is natural for the material. These components are used in computers, precision machinery, radiators, and other electronics components.