东亿是一家经验丰富的光电制造商，专注于生产高品质的红外接收头、红外接收管和红外发射管等产品。红外接收头是用来接收红外线的装置，而LED发光二极管是重要的组成部分之一。
Dongyi is an experienced optoelectronic manufacturer, focusing on the production of high-quality infrared receiver heads, infrared receiver tubes and infrared emitting tubes and other products.