ã€China Aluminum Industry Network】 (1) Doors, windows and accessories: must meet the design requirements, and the specifications and models should meet the 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) Sealing material: sealing rubber strip should be used in combination with waterproof sealant
(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) Sealing material: sealing rubber strip should be used in combination with waterproof sealant
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