Shenzhen Grandtop Electronics Co., Ltd was founded in 2005, certified with ISO9001, ISO13485& IATF16949. Grandtop is a professional manufacturer concentrated on PCB Assembly (SMT, DIP, AI) and electronic product final assembly (EMS) in the top market for global customers on different industries, such as Medical Equipment, Industrial Control, Automatic Control, Robotic Control, IOT, Smart Home Application.

Yihua electrical factory in guangzhou city was established in 1997. We specialize in developing, designing manufacturing and selling audio products for cars. Our products are selling well in domestic and overseas marketr with a high reputaion, especially in Southeast Asia, South Africa, and the Middle East. Yihua car audio series products, with amplifier woofers and without amplifier woofers, include Spuare, Flat shape, Trapezium, car and Cirular woofers, wire kits, coaxial speakers, and Cval power capacitors. Our products are with wide varieties of styles, complete in specification, attrctive in design, and excellent in quality. Could get a strong competition in the car audio, car video field. We could offer products according to customer samples. Our company aims at producing the best products on the basis of scientific management and techenology innovation. Lt's our target to yiyelang supply the best car audios, and car video for you. We sinerely look forward to the successful cooperation with customers from all over the world.

Quanzhou JiMao Electronic Commerce Co. Ltd. Is a research and development, Production, sales service and a Wireless solution ways provider in Quanzhou City of China, As a leading manufacturers of Two way radio, We are offer clients a wide range of wireless communication devices including DMR radio, PMR radio, FRS radio, WCDMA SIM, GSM radio, Mobile radio Repeater and Accessories etc.