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1. Zinc alloy lock is through a die casting production, a molding, production speed 2. Zinc alloy lock in iron lock are of good quality, the quality of the zinc alloy's hardness is good, not deformation, improve the quality problem in time. 3. Zinc alloy die-casting molding, more out of recycled materials. 4. Zinc alloy lock effect is better than iron lock, electroplating processing surface is also the same. Zinc alloy plating out bubbles, pitting less relative to the tin, and comparison of out smooth surface.

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