Shandong Shuangyi Technology. 

Shandong Shuangyi Technology Co., Ltd. is a global enterprise specializing in the comprehensive lifecycle of composite materials, from initial research and design to development, manufacturing, sales, and ongoing support. The company produces a wide array of products, starting with non-metallic machined molds for items like wind turbine blades and nacelle covers, yacht components, full automobile bodies, small aircraft wings, and truck cab fronts. They also supply finished composite products such as complete wind turbine nacelle and hub covers, along with nose cones. Their advanced composite offerings extend to carbon fiber components, including casings for unmanned aerial vehicles (UAVs), aircraft nacelles, wing-fuselage fairings, various panels, tubular structures, and other custom-shaped items. Furthermore, Shuangyi Technology manufactures protective coverings for both engineering and agricultural machinery. For the public and rail transportation sectors, their portfolio encompasses vehicle bodies, air conditioning unit covers, side roof panels, and lighting components for automobiles, as well as railway locomotive front ends, interior fittings, integrated restrooms for high-speed trains, and driver's cabs for motor cars. They produce diverse marine structures, including hulls for luxury yachts, electric boats, and various fiberglass reinforced plastic (FRP) rowing and pedal boats. The company is also a supplier of specialized enclosures for medical devices, such as FRP shells for CT scanners, MRI machines, ultrasound equipment, X-ray units, and analytical instruments. In the automotive sector, they supply battery covers and underbody protective panels, and also offer assembly services for these guard boards. Established in 2000, the company's headquarters are situated in Dezhou, China.