Advanced spring solutions enable precise axial load control and space-saving mechanical assembly.
Precision wave springs, built for compact design and reliable performance
View product range
Get technical support
Advanced spring solutions enable precise axial load control and space-saving mechanical assembly.
Precision wave springs, built for compact design and reliable performance
View product range
Get technical support
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Quickly learn about products by model

Supports quick matching of main models of wave springs and equal-diameter retaining rings. Detailed dimensions, loads and specifications can be found in the product catalogue.

WLB

Bearing preload wave spring (metric)

WGR

Single layer wave pad (metric)

WG-N

Open Wave Pad (Metric)

WSN

Laminated Wave Springs for Shafts (Metric)

WHN

Laminated Wave Springs for Holes (Metric)

WS/WSS

Overlapping wave springs (imperial)

WSM/WSMS

Overlapping Wave Springs (Metric)

WLS

Corrugated gasket (imperial)

WR

Round wire wave spring (imperial)

RH-MA

Aviation retaining ring (metric)

RH-AL

Lightweight retaining ring (imperial)

RH-BL

Medium retaining ring (imperial)

RH-CL

Medium and heavy retaining rings (imperial)

RH-DL

Heavy duty retaining ring (imperial)

RHM-L

Lightweight retaining rings (metric)

RHMD

Square section retaining ring (imperial)

RHW/RAH/RDH

Square section retaining ring (imperial)

RH-MW

Square Section Retaining Ring (Metric)

RS-MA

Aviation retaining ring (metric)

RS-AL

Lightweight retaining ring (imperial)

RS-BL

Medium retaining ring (imperial)

RS-CL

Medium and heavy retaining rings (imperial)

RS-DL

Heavy duty retaining ring (imperial)

RSM-L

Lightweight retaining rings (metric)

RSMD

German standard retaining ring (metric)

RSW/RAS/RDS

Square section retaining ring (imperial)

RS-MW

Square Section Retaining Ring (Metric)

Core product series

Focusing on mechanical structural requirements such as axial preload, elastic compensation, limiting and fixing, Haojiu provides a variety of wave springs, wave washers, equal diameter retaining rings and non-standard products.

Wave spring series

Including bearing preload wave springs, single-layer wave cushions, open wave cushions, shaft/hole composite wave springs, overlapping wave springs, wave pads and round wire wave springs.
Wave spring series

Equal diameter retaining ring series

Covering different structures for holes and shafts, and providing multiple series such as aviation, light, medium, medium and heavy, heavy, German standard and square section.
Equal diameter retaining ring series

Non-standard customization

For size, material, working conditions and structural requirements that cannot be met by standard models, non-standard design, sample trial production and project cooperation are supported.
Non-standard series products

1985

The predecessor factory was established and manufacturing experience continued to be accumulated.

20+

Accumulation in R&D and manufacturing of wave springs and retaining rings

10000+

Standard product inventory system

Multi-industry applications

Mechanical, electrical, automotive, medical, aerospace, etc.

From independent production to full-process quality traceability

Haojiu has CNC wave spring and retaining ring production lines with independent intellectual property rights, and is equipped with vacuum heat treatment and multiple types of testing equipment.
The company records the production process through professionally customized ERP and MES software to realize the recording and tracing of production information.

CNC production

Covering various specifications of wave springs and retaining rings.

Detection and verification

Equipped with mechanical, dimensional and microscopic inspection equipment.

Quality system

Continuously improve standardized quality management and process control.

Digital traceability

ERP and MES record production process and quality information.
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Product application areas

Haojiu products are widely used in machinery, electrical, automobile, medical, aerospace, shipbuilding, rail transit, pump valves, sealing and wind power and other fields.
  • Automotive industry
  • Aerospace
  • shipbuilding
  • Oil and gas
  • medical device
  • rail transit
  • wind power
  • Instrumentation
  • mechanical seal
  • gear transmission
  • New energy motor
  • Testing equipment
  • 泵
  • power tools
  • Valves, shock absorbers
Non-standard series products

Non-standard design and sample trial production

Haojiu has a professional design team that can carry out non-standard designs according to customer requirements for diameter, material, size and other product characteristics. The production process does not require molds, and small or batch samples can be completed quickly, and product testing content can be provided according to project needs.

Provide demand

drawings, dimensions, materials, loads or usage environment.

design evaluation

Determine the plan based on product characteristics and manufacturing conditions.

Sample trial production

Small quantity or batch samples are arranged as per project requirements.

Inspection and delivery

Complete verification based on size, performance and other items.

Continuously accumulated R&D and manufacturing capabilities

From the manufacturing foundation in 1985 to the independent research and development, mass production, quality system construction and digital management of wave springs and retaining rings, Haojiu continues to deepen its manufacturing capabilities around precision elastic components.
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The company is located in Changshun Chuang Valley, Zhangjiagang, close to the Jiangsu Economic Development Zone, with convenient transportation and logistics conditions.​​​​​​​
Zhangjiagang manufacturing base
Get to know Haojiu
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We continue to improve quality, environment, occupational health and safety management systems, and have accumulated a number of patents and honors.​​​​​​​
Quality system and certificate of honor​​​​​​
Quality system

Do you have standard parts selection or non-standard customization needs?

Provide models, drawings, dimensions, materials or usage conditions, and we will conduct product matching and project communication accordingly.
Zhangjiagang Haojiu Machinery Co., Ltd. focuses on the R&D and manufacturing of wave springs, wave washers, retaining rings and non-standard series of products.

Quick links

Product classification

Contact us
Building 15, Changshun Chuanggu, No. 27, Jinxing Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province
info@wavespring.cn
13655554321
 
Copyright © 2026 Zhangjiagang Haojiu Machinery Co., Ltd.