Main Products: Advanced Trainer, Agriculture airplane, K8 Basic Trainer, PT-6 Primary Trainer,Paper-making Machines, Printing Machines, Projectile weaving machines, Sport Exercisers. Hongdu possesses comprehensive specialties ,such as: machining, super-finish machining, sheet-metal forming, heat & surface treatment, casting, forging, fasteners, fixtures & tools fabrication, assembling, calibration & testing , etc....