FUYU lock has been the most popular manufacturer in metal door lock industry. The brass lock series is one of the main products of Fuyu. In the production of FUYU lock mortise door lock set, numerous standards are concerned to ensure its quality. These standards are EN 527, EN 581, EN 1335, DIN 4551, and so forth. Treated by investment casting, it can remain in good condition after years of uses. The product is fully functional with exceptional value. To prevent the home burglaries, this product is designed with strong bump-resistance.
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