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1.The wheel lock use the turn corner key which is the up-to –day domestic research achievement. The product has very low rate of mutual opening and it measures up to not the same among 240,000 locks, far exceeding the Ministry of Public Security of the security standards, which has obtained the national patent.
2. The lock core is different from the traditional, it adopts irregular tooth bending road, special opening lock is thoroughly could not insert.
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