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Falling ball: 64g60cm solid acrylic board center point does not break after 3 drops;
Edge pressing: ∅ 0.5mm cone head, pressing glass edge 0.8mm, peak value averaging over 1KG;
Electroplating AR100: initial angle ≥ 115 °, 1kg load 1 * 1cm steel wool wear-resistant ≥ 105 ° after 10000 cycles; Shinetsu fingerprint oil
