Since its establishment in 2011, Shenzhen Wanyi Technology Co., Ltd. has been taking the development and production of various kinds of anion detector as its own responsibility. It has obtained a number of patents and participated in the formulation of several group standards (" Air anion measuring instrument performance test Specification "standard number: T/CMSA 0024-2021), the instrument is mainly used in indoor and outdoor air negative oxygen ion concentration measurement and negative ion generator purifier and other products, ore type negative ion detector is mainly used in rubber, cloth, ceramics and other items negative ion concentration measurement, and there are negative oxygen ion online monitoring system, multi-parameter negative oxygen ion detector and other products support OEM customization, Welcome to inquire!