CSA NFRC AS2047 standard modern residential large aluminum double hinged patio doors on China WDMA bifold T6 heat treatment is cooling

T6 heat treatment is cooling with cold water to meet the hardness requirement

EPDM rubber sealing strip

Cheap windows for sale uPVC sliding windows

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000 sets/year — shower room: 30

CSA NFRC AS2047 standard modern residential large aluminum double hinged patio doors on China WDMA bifold T6 heat treatment is coolingCSA NFRC AS2047 standard modern residential large aluminum double hinged patio doors Product Description Aluminum hinged door, has a hinge to fix the door frame, and the hinge of the swing door is installed beside the door, so that the door can be opened inward or outward. The material of the aluminum alloy is relatively durable in the door material, so it is popular. Aluminum swing door is also divided into a single door and a double door. A single