Maybe you are a window handle purchasing manager, who are looking for high quality window handle, and 3H INC. are a professional manufacturer & supplier that can meet your needs. Not only window handle we produced have certificated the international industry standard, but we can also meet your customization needs. We provide online, timely service and you can get professional guidance on window handle. Don't hesitate to get in touch with us if you are interested in window handle, we won't let you down.