What are the requirements of aluminum alloy door and window material accessories (1) aluminum alloy doors and windows material doors and windows and accessories: must meet the design requirements, specifications and models should comply with national standards.
(2) Floor Springs: The floor springs of the doors should be stainless steel or copper. Before being put into use, they should be adjusted before and after the speed of opening and closing to facilitate use. Hydraulic parts must not leak oil. Can also use the door.
(3) Door lock: It should be a double-sided safety lock.
(4) push hands: use stainless steel, aluminum alloy or copper.
(5) Pulleys and pulley frames: Hard nylon wheels, pulley frames, and galvanized steel products are optional.
(6) aluminum alloy door and window material sealing material: should use sealing rubber strip with waterproof sealant.

Company Name: Ninghai Longxiang Aluminum Co., Ltd. Address: No.2, Zhongshan East Road, Shuangshan Village, Ningbo, Ningbo, Zhejiang, China (315600)
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Contact person: Mr. Yuan Enterprise Website: http://longxiang.alu.cn

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