Guangzhou dufeng electronics co., LTD. Guangzhou dufeng electronics co., LTD. (shenlong audio-visual wire material) is a professional enterprise engaged in the research, development, production and sales of various automobile connectors, automobile portable digital sound boxes and automobile navigation modification surface frames.It can also provide supporting services for various auto film and sound manufacturers. The companys leading products are: plastic parts, terminals, wiring harness (modif…