JK focus on the improvement of indoor air quality for home and industry. Our propose is to help you start the air ducting system for the dust collecting, air cleaning, heating and cooling.JK is the company when you are going to start a ducting shop, we are professional in the spiral tubeformer for making the spiral air duct, the aluminum flexible tubeformer to make the flexible aluminum duct.When it comes to solutions concerning ventilation system, we are a reliable company you can rely on.
