外围体育网址

Shangrao City Qiqijiazheng Service Co., Ltd.

Contact: Mr. Zhu

Mobile phone: 13707030734 (same number on WeChat)

Phone: 0793-7777777

Address: Qingfeng Road, Xinzhou District, Shangrao City, Jiangxi Province

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Maintenance of safety locks

1. The lock cannot be exposed to rain for a long time. The falling rainwater contains nitric acid and nitrate, which will corrode the lock.

2, usually keep the lock clean, do not let foreign objects enter the lock core, resulting in difficult to open or even unable to open.

3. Regularly inject lubricating oil, graphite powder or pencil powder into the lock cylinder to help reduce the oxide layer left by using it for too long.

4. Pay attention to the thermal expansion and contraction caused by the weather (wet in spring and dry in winter) to ensure that the gap between the lock itself and the key is reasonable and that the lock can be used smoothly.

Copyright © Shangrao Qiqi Qijiazheng Service Co., Ltd. Contact person: Mr. Zhu Mobile phone: 13707030734

Phone: 0793-7777777 Address: Qingfeng Road, Xinzhou District, Shangrao City, Jiangxi Province Technical Support: 华邦.JPG

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