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Building Blocks of Communication

Focusing on the independent research and development of communication core technology, we provide specialized communication products and customized product development services for users in air traffic control, train, aerospace, industrial network and other industries.

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Introduction to HDLC Protocol
HDLC protocol, sometimes known as SDLC protocol, is a link layer protocol widely used in industry communications. The HDLC protocol specification is referred to the ISO / IEC 13239 standard document.