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About Us
About Us
Welcome to TONGSHENG
We are here to Increase your market share with Experience

we are an IATF16949 certificated professional manufacturer engaged in automotive aftermarket audio connector and wire harness with more than 25 years. We are OEM/ODM available. In recent years, more and more North American car audio &video brand manufacturers and local supermarkets have chosen us as their suppliers, and the brand TSCN has become more and more well-known.


Our automotive products are widely used in car audio entertainment connection, one-button start, new energy wiring harness, intelligent remote and car periphercal wiring harness.


Learn About Our Products Contact us

Why Choose Us

High Performance Services For Car Audio & Video Interface Installation

Full range of products

Quality guarantee

Manufacturing strength

25Years

Experience

20000+

Factory Area

150+

Staff

Professional Certificate

IATF16949 Certification Certificate 2021
ISO14001 Environmental Management System Certification 2018-2021
OHSAS18001 Occupational Health and Safety Management System Certification 2018-2021
Patent Certificate
Patent Certificate
Patent Certificate
Patent Certificate
Patent Certificate
Patent Certificate
Patent Certificate
Patent Certificate
Patent Certificate

Our Factory

Assembly workshop
Automated workshop
Creasing workshop
Finished product warehouse
Injection molding workshop
Laboratory
Laboratory
Laboratory
Machining center
Medium wire cutting workshop
Mold workshop
Process grinding machine workshop
Raw material warehouse
Sample display area
Stamping workshop

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