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About Us

Ningbo Zongda Electrical Spring Co., Ltd.

is located on the south bank of the Hangzhou Bay Bridge in Ningbo. Zongda was founded in 1993 and passed ISO9001 quality management system and other certifications in 2000. It has a development history of over 32 years and rich technical accumulation. The company has a factory area of over 8,000 square meters, with more than 140 employees and 20 professional technicians of various types. The company has introduced advanced technology and processes, and uses stainless steel and carbon steel to produce various specifications of coil springs and steel strip products, which can be applied to automatic reel, engineering vehicles, vacuum cleaners, starters, hous...
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Choose our five major advantages

1、Manufacturing precipitation in the past 30 years

With nearly 30 years of manufacturing experience, we have become a leader in the industry, developing and manufacturing scroll spring springs for various industries.

2、Rich production experience

We have rich experience and service system in cooperating with Fortune Global 500 and well-known enterprises.

3、Supporting overall solutions

Supporting overall solutions, with a complete range of products, high cost-effectiveness, and technology innovation patents.

4、Advanced production equipment

The company has strong technical strength, equipped with precision splitting machines, fully automatic quenching and tempering hot spot buried wires, and the hardness of hot spot buried wires is controlled within HRC ± VC. It also has high-precision fully automatic feeding and discharging machines, computer-controlled forming machines, etc; The testing equipment is complete, including Vickers and Rockwell hardness testers, fully automatic computerized torque measuring instruments, fatigue testing machines, etc.

5、Manufacturer's direct supply and personalized customization

True manufacturer direct sales, truly reducing costs and prices, gaining industry recognition for strength and product quality, while providing you with fast supporting services and saving you time and costs.

Our services

Treat every customer with care and safeguard their rights

Service Purpose

Service Purpose

Create value for customers wholeheartedly

service idea

service idea

Customer satisfaction is our unremitting motivation

Service customization

Service customization

Because of professionalism, it is trustworthy

行业品质

Industry quality

Pay attention to improving product quality and establishing a brand

Product Center

Professional production and manufacturing of scroll springs/spring springs and other products

News Center

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