1. High quality carbon steel to prove enough strength. Zinc-Nickel electroplated finished has excellent corrosive, can pass more than 600h Neutral Salt Spray Test.
2. Can guarantee the unified surface finish, no chromatism.
3. Special color treatment is available according to profile.
4. The maximum loading is 130kg with upper pivot hinge.
5. Three direction adjustment: up & down±2mm，left & right±2mm，forward & backward±1mm. Effectively prove air-tightness and water-tightness.
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