Foshan factory direct metal sheet metal round hole mesh panels Nanhai District of Foshan Binghui network Manufacturing Co., Ltd. speaker grille available metal plate stretching from punching, used for the microphone network and audio equipment, pass hole, rectangular hole, square hole perforated metal mesh filter sound, which play a role to protect the speaker. Commonly used material: low carbon steel, stainless steel plate Uses: used in conference microphones, wireless microphones, headphones, indoor and outdoor Yinzhu / boxes, radio speaker, lawn speaker, controller, broadcast cabinet, broadcasting equipment, public broadcasting background music system, Audio Splitter Welcome to our website: www.fsbhwy.com QQ 1290044063