Nanning Xionghua Photoelectric Technology Co., Ltd. produces: optical switch, MEMS optical switch, OLP, VOA optical attenuators, WDM, optical fiber collimators, circulators, optical fiber sensing equipment and other optical fiber communication products.br Web:www.xhphotoelectric.combr WeChatWhatsapp:+8618154626356br Email:xionghua@xhphotoelectric.