Blades 1,wind turbine rotor blade 2,Fibre glass blade,High efficiency. 3,strong resistance 4.best after-sale service BladesOur blades ... fracture and other damage.2. The material used in blades has qualified certificate provided by vendor, chemical composition and ... by high-quality Gel coat resin , so that the blades have better Moistureresistance,abrasion resistance, water absorption, high elasticity ...