Through the power of technology, LONGWIN GROUP hope to create a better future by striving to solve various social issues faced by the world.

Guangzhou zhanming electronic Co., Ltd was established in 2010, with many years' experience, specialized in researching and manufacturing laptop AC adapters, 12V power adapters, LED switching power supply, and CCTV monitor power adapters etc. Our factory covers an area over 1000 square meters, a high quality team more than 80 employees. Zhanming electronic devices have got a wide range of safety approvals to meet specific international standards & Requirements. We have a dedicated research and development team and customized service team to quality control experts focusing on product development and customize product quality and Logo labels according to customers' requirements. In addition, we also provide customers with brand design, packaging design, sticker design, production and value-added services. Our strict quality assurance program ensures all our products to meet IEC Standards and product aging with 100% full load test. Our products have passed smoothly the improvement of European CE, RoHS, FCC etc. With strict quality management, delicate service and good reputation, Zhanming became more and more prosperous. So far, our products export to over 15 countries and regions, such as Germany, England, Russia, Canada, Poland, America, Turkey, Spain, Italy, Pakistan all around the world. As a professional manufacture of power supply, Zhanming has been adhering to the concept of "Customer First, Quality First" all the time and followed by the best service and pursue the pulse of the market. Choose Zhanming, choose professional! Looking forward to sucessful cooperation with you.

Changzhou wistar electronics Co., Ltd. Was founded in 2008. Specializing in the production of audio video cables and adaptors as well as some related products. Products of high quality, fashionable, widely used in a variety of architecture, not only has the broad masses of the domestic sales market, but also exported to Europe and Russia.

Established in 2008, YanXin has nearly two decades of expertise in providing a comprehensive range of laptop parts.

Established in 2003, KaiWin Electronics Co., Ltd is mainly manufacturing computer signal cables, communication cables, network peripheral products, all kinds of connection cables for digital devices, USB Cables, LAN Cables, SCSI Cables, DVI Cables, HDMI Cables, Displayport (DP), VGA, SATA, MiniSAS Cables, USB HUB, TYPE-C Adapters, SWITCH, AOC Cables and so on. At the same time, to meet the ever changing demands of our customers, KaiWin Electronics undertakes a variety of special Cables, connectors, OEM orders for the customers all over the world.

ZYTD Technology is a professional laptop accessories manufacturer, which was found on July, 2003, located in longhua, shenzhen, China.