Concave Cap - China Manufacturers, Factory, Suppliers

We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for Concave Cap, 12"Speaker Cone , 3"Foam Surround , 16"Horn Surround , With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.