Sichuan Keydom Smart Technology Co., Ltd is a national-level high-tech innovative enterprise, specialized in designing high integrated security mobile payment chips, manufacturing pan-payment terminal products and providing industrial IC+IT solutions. KEYDOM has national secret and commercial secret high security qualifications. It is the only national high-tech enterprise in the western China with international operator qualification, high-security IoT GSMA SAS qualification, international financial high-security VISA, MasterCard, and UnionPay high-security certification. iPRO Inside series products can simultaneously achieve identity authentication, security mobile payment, location services, and multiple applications in one "core", and are widely applied in communication, finance, public security, social security, transportation, education, medical and other fields. The self-developed domestic Koala6022 security mobile payment NFC chips, have successfully substitute the imported chips, breaking the global monopoly of mobile phone payment by the world's leading integrated circuit companies.