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The company specialized in the production of metal products, building materials,the main products staircases, staircase parts, Tieyi, metal doors and windows (copperdoors and windows, security doors and windows, fire doors and windows, extendabledoors, and door codes), high-grade furniture, parapet walls, metal furniture,and other specialized products with professional technicians guard production,product quality artistic work of high order, the main product positioninghigh school stalls
Fence Gate
Yantai Tri-Circle Door Industry Co., Ltd.
Security doors, fireproof doors, remote control doors, fire door
