Competition subwoofer

Haiyan Xinhai Electronic Factory is a designer and manufacturer of woofers, car speakers, PA speakers, boom boxes, bandpasses, etc. We have very strong technology ability for the production and R&D, and are ISO9002, CE and RoHS certified. Our products sell well in Japan, the USA, Europe, South America, South Africa and Asia. We have a standard workshop of 10,000 square meters and over 200 staff members. There are 3 assembly lines for speakers, 2 assembly lines for ...