You do not have a closer look at the content of the post, "FPC1020 fingerprint payment module is dedicated fingerprint chip in cooperation with Alipay, Huawei.", many manufacturers use this same module, including many good company. We have reason to believe that this module is stable and efficient. And it costs accounted for 1/4 of the price of equipment, not very cheap.
Of course, if you give us 50k, we will help you to install "the one you think of a good fingerprint module".