The 787 torsion box produced by XAC is a kind of non-metallic component, which is composed of carbon cloth and glass cloth. It is an important structural part of Boeing 787 engine nacelle. The products are divided into Ge and RR configurations. It is mainly used in Boeing aircraft, and now it has delivered 39 products. Now Xifei Technology (Xi'an) industry and Trade Co., Ltd. acts as import and export agent.