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The equipment uses the power belt to transport the products to the material blocking position of the machine, and the machine automatically completes the transfer, testing, sorting and turnover of the products; It is convenient and fast to test different models and replace the upper and lower power modules. It can test three, five and seven hole sockets of different specifications, and has strong versatility; Compared with the manual production test line, the test is accurate and the efficiency is increased by 2 times; Using precision sensor, the detection is reliable, the quality is more controllable and more stable.