Custom Spring

Custom Spring

Custom Spring Manufacturer

Our company is good at custom spring manufacturing and can customize different types of springs, including custom compression springs, custom torsion springs, custom extension springs, custom flat springs, custom coil springs, custom clock springs, etc. We hold a large stock of materials of different types and sizes. All materials are traceable to the original factory heat number. The materials are round, square, and rectangular, with diameters ranging from 0.2mm to 90mm.

Dongguan KENENG International Trading Co., Ltd is a leading custom spring manufacturing company with 20 years of production experience in Dongguan China. KENENG specializes in designing and producing custom springs of multiple sizes and configurations. The production capabilities of KENENG are outstanding, and we are able to offer a choice of lengths, end and pitch configurations, application finishes, materials, and optional certifications. We also stock many standard sizes.

Are You an OEM Manufacturer?


Types of Custom Spring Fabrication

As a China custom spring maker, you can customize all kinds of springs you need here.

Custom Coil Spring Manufacturer

KENENG is a high-quality custom coil spring manufacturer in China. Three types of coil springs can be produced and customized, including custom compression springs, custom torsion springs, and custom extension springs. Among them, we are especially good at cooperating with major domestic and foreign manufacturers and customers as a custom compression spring manufacturer. You can learn more through the following information:

In addition, custom flat springs, custom clock springs, and so on are also available. You can choose the spring material that suits you through custom spring steel.

Custom Made Spring

1. New custom spring design

2. Optimize the existing spring design

3. Spring-related knowledge learning

When customizing the spring, you can come with drawings or samples. If there are no drawings, please send us the specifications you need.

(1) Specifications: wire diameter, OD (outer diameter) or ID (inner diameter), free length, number of coils, and number of effective coils.

(2) Technical requirements: turning direction (left/right hand), material, finishing, spring force, end type (closed/grounded/closed and grounded/opened).

If you have questions about the customization process or products, please contact us. KENENG’s professional spring design engineers will provide you with the best solution.

Custom Spring

If you have any needs, please contact KENENG, we will provide you with the best quality service.

Custom Springs Case

Here are some products about KENENG custom springs. Including different parameters, different materials, etc.,

Types of Custom Springs You Can Choose

If you want to custom springs, you can choose different materials, size, finishing, etc. The specific parameters include:


  • Spring steel
  • Carbon steel
  • Stainless steel
  • Copper, brass
  • Alloy steel


  • * Dimensions according to customer requirements.


  • black oxide
  • plating (zinc, nickel, tin, gold, silver)
  • phosphating
  • powder painting & color coding
  • shot peening
  • sandblast


  • stamping dies
  • metal die-casting dies
  • plastic molds and other elastic motion precision mechanical equipment
  • automobiles and other fields

Materials We Can Custom Springs

KENENG can customize the materials of fasteners including: carbon steel, stainless steel, copper, brass, alloy steel, etc.

The Order Process of Custom Spring Manufacturing

OEM: Receive pictures or samples

  • Design & drawing process
  • Make sample, approval by customer
  • Confirmation on order detail
  • Signing Pi
  • Receive deposit
  • Mass production
  • Receive Balance
  • Delivery

ODM Customer has no design:

  • Design & drawing process
  • Quotation
  • Payment of design fee
  • Make CAD or 3D design
  • Make sample, approval by customer
  • Confirmation on order detail
  • Signing Pi
  • Receive deposit
  • Mass production
  • Receive Balance
  • Delivery

ODM Customer has design:

  • Receive design
  • Quotation
  • Payment of design fee
  • Make CAD or 3D design
  • Make sample, approval by customer
  • Confirmation on order detail
  • Signing Pi
  • Receive deposit
  • Mass production
  • Receive Balance
  • Delivery

China Custom Spring Manufacturer

KENENG is a custom spring manufacturer in China. As a custom spring company, we have many advantages:

1. Excellent manufacturing strength: 17 years of focus on spring design, research and development, production, manufacturing, and surface treatment, and can process and produce various standard mold springs. The company has complete production and testing equipment and advanced production technology. It has various specifications of automatic computerized spring coiling machines, computerized spring grinders, continuous mesh belt quenching furnace, tempering furnace, spring tension, and compression testing machine, spring fatigue testing machine, as well as a full set of spring hot coil equipment.

2. Excellent R&D strength: With professional R&D technicians, the company’s annual R&D investment accounts for 4%, and the R&D technology ranks among the best in China.

3. It integrates production technology, sales, and service, and has won praise from the industry and customers for its strong technical force and product quality.

Production equipment for custom spring

Production Equipment for Custom Spring

Application Industries of Custom Springs

For Example:

Related Springs Products

Related News of Custom Springs

FAQ of Custom Springs

We are manufacturer and our products are sold at home and abroad.

Yes, we offer both OEM and ODM services for your customized springs.

Yes, we can offer free samples for regular springs and could make samples for custom springs and normally the sample fee could be refundable when placing formal order.


3-7days for samples, 10-15days for mass production normally.

We provide professional service and keep good quality and competitive prices to ensure our customers’ benefit.

We can customize any colors you like.

We have IQC, IPQC, FQC, OQC, and 100% inspection to guarantee the springs’ quality.

The shipping way could be shipped by sea, by air, or by express (DHL, FedEx, UPS, TNT, EMS, etc.).