Custom flat springs, flat metal clips, u clip fasteners manufacturer in China.


Flat Spring Clips Fasteners

Flat spring is different from normal coil spring, it is usually made of strip material and used as a bracket, holder, or electronic connector or contact plate.  

Metal U shaped Clips Fasteners

U clips, u clip fasteners is u shaped metal spring clip, it’s a kind of flat springs that usually used as fixture or bracket.

Progressive Stamping for Flat Springs

Progressive metal stamping can improves productivity by auto multiple steps including stamping, blanking, piercing and forming.

Deep Drawing Deep Draws

Deep drawing is the process of making flat sheet metal and forming it into three dimensional parts such as a can, box or tube.


Fourslide Spring & Stamping is a ISO 9001:2008 certified flat spring clips manufacturer of flat spring clips fasteners, flat metal spring, stainless steel flat spring and deep draws.

We have been specializing in custom flat spring clips for more than 10 years, Custom stamping capabilities with the range of sizes up to 10″ x 10″ (flat) with thicknesses from .005″ to .1″ and deep draws of up to 3″ deep and 8″ in diameter.

Our products have exported to worldwide with the location advantage which both only half an hour to Xiamen Port and Xiamen Air port, as well as China Europe Railway Xiamen Station.

Our Capabilities

Metal Piercing and Forming
Metal piercing is the first stage of metal stamping that piercing a panorama of the flat springs then forming the parts into a three dimensional flat clips.

Progressive stamping
For flat springs, progressive stamping is more efficiency, but it will produce more waste, and the molding cost is also more expensive.

Four-Slide / Multi-Slide Stamping
Four-slide is an ideal way for flat metal springs which save the cost of material and tooling.

Deep Draws
Deep drawing is a kind of mechanical processing technology which uses the die to punch the blank into various open hollow parts and increase the height.

What we provide

Metal Stamping Solution

We provide a whole solution for flat spring metal stamping, from metal forming to surface treatment like zinc, nickle plated, we also provide secondary assembly of plastic, rubber ect. certainly all process under our ISO quality control flow.


We guarantee all our custom metal flat spring clip products are manufactured comply with all specifications and standards required by our customers. 


We know the production delay will cost as much as quality problem. we focus on the on time delivery to win out of the competitive global markets. 


ISO 9001/ISO 14001/TS 16949/SGS of Flat Springs