Black Lever Door Handles Interior is made of high-strength zinc alloy casting, with a built-in pivot rebound system, combined with standard lock body holes, suitable for all kinds of indoor doors, and the handle arc is ergonomically designed. It is a high-quality door handle product dedicated to indoor door control systems.
Commercial Door Lever Set includes handle, back plate or rose plate, main lock body, lock cylinder, key, screw installation accessories, etc. It is a door handle set system designed for commercial buildings.
In modern manufacturing, value engineering (VE) and value analysis (VA) are two important management tools that use a systematic approach to reduce product costs while improving their functionality and performance.