19v3.42a for acer4 factories verified

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.

Dongguan Delong Electronic Technology Co., Ltd. Was established in 2019. It is a high-tech enterprise focusing on the research and development, production and sales of power products such as laptop adapters and electric vehicle chargers. The company adheres to the business philosophy of "technology-based enterprise, quality first", integrating R&D innovation, intelligent manufacturing and global marketing, and is committed to providing efficient and reliable power solutions to global customers.

Yuandong (International) Technology Ltd., was approved to establish by Shenzhen Administration for Industry and Commerce in 2004 and passed ISO9001-2000 international quality system certification evaluation.

Founded in 2013, we are engaged in the wholesale business of electronic products. We have branches in Hong Kong and its own warehouse. In Hongkong warehouse, there are lagers of stock of electronic product, such as laptop adapter, tablet and other electronic products. Our target is to become the firsrman in Hong Kong quality supply source. We hope to make more friends at home and abroad friends to create a win-win future.