DORINT is devoted to the fire and smoke isolation design of fire protection system and the safety and comfort of homes and office.

We keep developing better door control hardware and endeavors to contribute to fire protection and environmental protection. In particular, DORINT aims to provide more accessible safety designs for physically challenged, the elderly, and children. DORINT has hundreds of invention patents worldwide, which demonstrates DORINT’s strengths in product development.

Each product of DORINT undergoes a complete series of performance tests before shipment, the objective being to ensure that the products delivered to each customer are in perfect condition. Each product of DORINT is also marked with a traceability co ...