Hangzhou Jirui New Material Technology Co., Ltd. is a subsidiary of Hangzhou Institute of applied acoustics under China state shipbuilding Co.,Ltd. Our company has established a professional R&D team composed of industry experts and professors to provide reliable and endurable products to our customers. We possess sets of production and testing equipment such as automatic assembling line and automatic laminator. We have passed ISO9001 international quality management system certification. We are able to develop and customize hydrophones, underwater transducers and acoustic material and other instrument for acoustic transmission and communication in water.