引进国际先进的保障模式，为用户提供各种机型的航材包修服务保障，将用户一次性、大规模的初始库存支出占用，转变为有计划的、可控的稳定保障支出。服务内容包括提供备件交换保障，并负责拆下故障件的维修、物流等完整的项目运营管理工作。用户目前以三大航及新兴或低成本航空公司为主。现保障的主要机型包括B777-300ER, A320及A350， 积极推进B787、B737NG、B737MAX、A320NEO市场。

　　CASC has introduced international popular service model, providing with power by the hour service for diverse aircraft types. PBH Service ensures airlines the same and even improved service level with planned and stable expense over certain contract terms instead of one time large investment for initial provisioning inventory. The service includes such as spare components exchange, repairing for removed parts, logistics, and other integrated operating management. It focuses on three major airlines, and also support new and low cost carrier. The main aircraft types for the service are B737NG, B737MAX, B777-300ER, B787, A320CEO, A320NEO, and A350 etc.