Sales HotlingeSales Hotline :


About Us

Ningbo Zongda Electric Clockwork Co., Ltd.

Located on the south bank of the beautiful and bustling Ningbo Hangzhou Bay Cross Sea Bridge. It is a national high-tech enterprise and a provincial-level "specialized, refined, unique, and new" enterprise, founded in 1993. In 2000, it passed ISO9000 quality management system certification and other certifications, with a development history of 30 years and technological accumulation. The company has a factory area of over 15000 square meters, more than 200 employees, and 20 professional and technical personnel of various types. The company introduces advanced foreign process technology and specializes in producing various specifications of rowing machines...

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


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

————————————   Connecting cutting-edge industry information   ————————————