How about Fuyu R&D team?2

The R&D team of Zhongshan City Fuyu Hardware Products Co., Ltd is composed of many technicians who have rich knowhow. The R&D team is responsible for technology development and improvement. They will provide technical support when you request it.

FUYU- A sliding door lock brand inspired by heavy duty sliding door lock! Fuyu produces a number of different product series, including stainless door lock. The tests for FUYU security door locks have been conducted covering a wide range of aspects. They are seam strength, colorfastness, size fitting, breathability, abrasion resistance, and durability. Its keyway is designed uniquely and exclusively to guarantee security. The product is safe to use. It is formulated from healthy, nontoxic ingredients that have been tested to be free of harmful substances. Its handle design enables users to have easy access to the room.

We will, as always, follow the tenet of 'Quality First, Integrity First'; provide first-class quality, first-class service, and return customers; and have an impact on the progress of the industry. Please contact us!