Tel : 0574-63546666

New Products

High quality selection of material, do you satisfied with the products

Work Process

How it works?

Quality is the life of the enterprise, in order to protect your life, for your company to establish a quality guarantee system. The market is like water, the enterprise is like boat, the quality resembles rudder, the person is helmsman.

1. Manufactured product

Produce parts according to your requirements.

2. Delivery date

Complete production and delivery date.

3. Choose air

We choose the fastest and safest air transportation.

4. Complete order

We are looking forward to cooperating with you next time.


Attentively complete each product

Welcome customers online message consultation.


About Us

Founded in 1991, Ningbo Sunrun Industry & Trade Co.,Ltd. is a professional manufacturer engaged in producing bicycle transmission parts.

The key products range from derailleur sets, freewheels, alloy hub,alloy chainwheels & crank, brake sets. Keeping ahead in the industry, every member of Sunrun has regarded the perfect quality as the life of an enterprise

By adopting advanced technique such as high precision cool-forging figuration. numerical-control processing and heat treatmen...

News Center

Cooperative Partner

Cultivate "have the courage to go beyond, after its leading" spirit of enterprise
to create "honesty, customer first" corporate brand

  • img
  • img
  • img
  • img
  • img
  • img
  • img
  • img
  • img
  • img
  • img

Copyright © 2019 Ningbo Tongkin Technology Co., Ltd.    Maked by JIACHUANG