Ningbo Joiwo Explosionproof Science and Technology Co., Ltd
Ningbo Joiwo is located in Yuyao City, Zhejiang Province. Founded in 2005 as a leader of industrial telephone solution manufactory, specializied in hazardous area solution, emergency solution,Tunnel&railway&Metro solution,Prison& hospital solution,Industrial Intercom etc. Most of the parts of telephones were made by ourselves and it gives us much advantage over the cost and quality control.