15000 yuan. Blade is an industry with high certainty, large market capacity and clear profit model in wind power components. With the easing of tight supply and demand, the fan blade industry will also change from melee to hegemony, and the fan blade industry in China is undergoing industry reshuffle and integration. The cost of 68m large-scale power generation blades is 1.5 million yuan. The large-scale industrial blades are made of advanced high-density aluminum alloy plates with a thickness of 1.5mm, which are machined, laser, bent and welded into a whole.