Topshine International Model Co., Ltd, know as Propeller Expert , a professional exporter of SAIL propeller in China, specialized in designing and manufacturing various high quality propellers for model aircraft and para gliders since ir established. SAIL props are constructed from A-grade German Beech wood and machined by CNC and balanced during each production and quality proved prior completion to ensure perfect symmetry which give greater performance with less noise.We can also make propellers according to your special requirements and accept OEM. Now we welcome dealers all over the world, thanks for your support!