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EDL 57 series casters have 95 models in total, with single wheel rolling bearing capacity of 110-130kg. The surface of the bracket is Chrome coating.

EDL 50 series casters have 120 models in total, with single wheel rolling bearing capacity of 120-150kg. The surface of the bracket is Zinc coating, and the neutral salt spray test is 24h.

EDL 36 series casters have 105 models in total, with single wheel rolling bearing capacity of 60-80kg. The surface of the bracket is Zinc coating, and the neutral salt spray test is 24h.

EDL 26 series casters have 135 models in total, with single wheel rolling bearing capacity of 35-40kg.