The function of cell phone signal jammer is to block signals. It is used in many occasions. The most common use occasion we come into contact with is in the examination room. Nowadays, information spreads very fast. With a mobile device, all kinds of information can be spread to every corner in an instant. For some occasions where information cannot be spread, mobile phone signal jammers are very…

Design improvisation is upgrading the existing design of any machine by using more efficient technologies and ideas which can improve the overall output of that particular machining process. For more details you can write to [email protected] or call on +91 75880 70696 or visit here https://www.puremachinedesign.com/