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FUYU door locks for school lockdown door locks for school lockdown is promised to be high-quality. At Zhongshan Fuyu Hardware Products Co., Ltd., a complete set of the scientific quality management system is implemented throughout the production cycle. In the pre-production process, all materials are strictly tested in conformity with the international standards. During the production, the product has to be tested by sophisticated testing equipment. In the pre-shipment process, testings for function and performance, appearance and workmanship are conducted. All these greatly ensure that the quality of the product is always at its best.lockdown shades,classroom door lockdown device,school lockdown door locks.
