PogoPin is a testing medium used between various test objects and testing fixture equipment. The product structure consists of three components: pin shaft, spring, and needle tube. With the maturity of product technology, its application in the market is quite extensive, and many electronic products adopt it, such as laptops, mobile phone batteries, wireless devices, and car-mounted devices. It does not require a socket on the female end, reducing costs, and is durable and easy to disassemble and assemble. Currently, most of the production is customized according to customer requirements.