The experimental results M.Polish SIFT (open lock), take 1 / 2 hours BCSH-1.2 = 200pcs, BCSH-1.6 = 200pcs.1. Find BCSH-1.6 lock broken 10 pieces.2. All edges are sharp, so this method is inappropriate.3. Informed Supplier to such problems, and the Supplier reply to fix us up?
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