COMIFO owns advanced production line of rectangle, round, oblate blast pipe. Its metal blast pipe's advantages are as follows: Good looking, be quick and convenient to install, high quality, high intensity, good air-tightness. It is widely used in ventilating and air-conditioning programs. We also offer unique design, making and installation to satisfy special needs.

COMIFO's air vent valves fall into several product sets including fire prevention, fume controlling, flame-proofs and ventilating air-conditionings. Our products are with good quality, complete specification, unique contra-side structure and convenient to connect the flange blast pipes. We are sure to satisfy you with reasonable price and quick delivery.

COMIFO's draughts include monoclinal shutter draught, shutter draught, Our products are with good quality, complete specification and sure to satisfy you with reasonable price and quick delivery. We mainly produce filters, concentrated blowing draught, wind drenching room, delivering window, clean workbench, etc. They are widely used in the clean systems of electric, mechanic, biology, food, medical treatment, pharmacy and cosmetics. Based on the high technical support and a work team with more than ten years' installing experience, we provide customers with continuous service including selling, installing and after service.