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Your Trusted Vendor and Partner of Electrical Products in China!
Year of
Production Experience
Custom Items
Skilled Workers
Automatic Machines
The director of Superline first got connection with electrical products in 2006, and founded the factory in 2010, with location in Ningbo city (east of China) which is well known as China’s Smart Manufacturing Capital for small home appliances, electricals and accessories.

With over 10 years manufacturing experience in electrical industry, Superline has become a professional manufacturer and exporter for electrical products, and is capable of supplying complete range of power cord, extension cord, range and dryer cord, lamp cord, switch cord, wire harness, power harness, electrical wire, table socket, power strip, plugs & adaptors, plug inserts, string lights, USB & HDMI cable, smart charger and etc. to worldwide customers. Most of our products have got UL, VDE, SAA, CCC, GS, NF, RCM, ASTA, S+, TUV, CE, ROHS, etc. and are compliant with the RoHS, Reach directives.

Thanks to the strict quality control system, 100% function test before shipping and professional service team, our products have been exported to United States, Canada, Costa Rica, Mexico, Peru, Chile, Brazil, United Kingdom, France, Italy, Spain, Netherlands, Germany, Switzerland, Bulgaria, Russia, Latvia, Australia, New Zealand, Saudi Arabia, Japan, South Korea, Vietnam, Philippine, Singapore, Malaysia, HK, Thailand etc. and favored by customers abroad.
At Superline, customers are regarded as our long-term partners rather than simply buyers. We guarantee our factory is the correct partner for purchasing and developing quality goods in China.

If you need any electrical product or have difficulty in developing a new item, please feel free to contact us now! Our technical-background sales manager will always reply you in 8 working hours.
Contact us now to build a brighter future together!
History Milestone
The founder started electrical business
The director did sales for power cords, cable assembly
Set up a factory to produce power cords, extension cords, wiring harness
ISO9001 quality system certificate
Obtained CCC, UL, ETL certification
Expanded production line to plug & adapters
Established Superline, mainly for exporting business
Began to produce UL/ETL listed dryer cord, RV & EV cord
Production Procedures




  info@cnsuperline.com
 Gui’an Road, Guisi Street, Zhenhai District, Ningbo, Zhejiang Province, China


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