About us




Sinotronic(Changzhou) Co., Ltd.was established in 1995 ,which specializes in manufacturing AV cables and connectors. Our products include HDMI cables, USB cables, VGA cables, RCA cables, Patch cables, XRL cables, power cables, telephone cables and speaker cables , CCTV and RF connectors, CATV & SATV accessories, banana plugs and binding post, battery clips, cigarette plugs, and many other AV accessories.


We have two factories in Changzhou and Nantong of China, With manufacturing facilities covering more than 10,000 square meters workshop, advanced production lines and precision inspection instruments, our products have earned increasing popularity among clients, With access to diverse sales channels, we now have clients in America, Europe, Russia, Eastern Asia, and many other countries and areas in the world.


Our all manufacture procedures are carried out as per ISO9001:2000 standard, each product is inspected carefully by QC staff before delivery. Our workshops are holding according 5S managements terms. So you will be satisfied with our products for their good quality and perfect packing.

        Apart from just producing existing series, we also welcome buyers' customized OEM and ODM orders. With well equipped facilities, highly qualified staff and excellent quality control, large items selection, competitive prices will let you to be very successful in your market!


With the spirit of honesty and good quality, we keep improving our products and service step by step to meet customers’ requirements. Sinotronic welcome all guests to visit us with your kind and valuable advice. We are looking forward to establishing and maintaining long-time and friendly business relations with all guests from all over world.


Now we are very pleased to tell the respected customers and friends from all over the world that:


Sinotronic.com B2B2C on line web site was established on 15 March of 2016!


Great service is our mission!

High quality is our obligation!

We sincerely hope to be your reliable supplier for AV cables and connectors in China.


   Except AV cables and connectors,we are also in trading business for the wide range of electronics and accessories as we have the rich experience in this line for more than 30 years! and we know every item for electronics and accessories very well, it could be the best reference for you to know China sources for electronics and accessories!


We warmly welcome that all global guests and friends to visit us at www.sinotronic.com  , and pls feel free to let us know your interests, and we will supply you with good products and competitive prices as well as best service!