Welcome to Hebei Baosa Metal Products Group Co., LTD
Key points of purchase and installation of door and window accessories
Matching: accessories shall be adapted to the type, weight and size of doors and windows (wooden doors, aluminum alloy windows, etc.).
Security: lock anti-theft level (A/B/C level), hinge load-bearing door to 3-5 times.
Durability: test the number of switches (high-quality hinges ≥ 100000 times), lock cylinder accuracy.
Environmental protection: The sealing strip has no peculiar smell and conforms to ROHS standards.
Installation service: Select a professional team to ensure the verticality of the hinge and the alignment of the lock.
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