After the zinc aluminum alloy is die-casted from the mold and cooled, the quality is manually checked and the large burrs are removed.

Then use a polishing machine to polish the surface of the product to meet the requirements of spraying or plating.

People check the color of semi-finished products, including electroplating process, electroplating effect, brightness and cleanliness. Wearable, etc.

Engineers and designers personally assemble and test products.

Use fully automatic machines to test the quality requirements and service life of smart locks, thereby testing the design of smart locks.