德利国际有限公司即原英得隆机械工程有限公司（新加坡），是世界领先的航空物流设备制造商。主要设计和制造机场行李处理系统、航空餐配处理系统、航空货物处理系统以及航空快件处理系统等产品。 作为一家在新加坡证券交易所挂牌上市的国际工程公司，德利国际是上述整套系统解决方案的供应商。其所提供的工程和设计服务包括系统处理能力评估、系统概念设计、设备细节设计、计算机仿真、设备制造、项目实施和维护服务。公司致力于为客户提供整体系统的解决方案－从概念计划到工程图纸设计、设备制造、安装到系统调试。 德利九州物流自动化系统（北京）有限公司，即原英得隆机电设备（北京）公司是新加坡德利国际有限公司在中国的全资子公司。其成立于中国航空物流业的蓬勃发展和德利国际在国内外业务持续增长的大背景下。主要负责母公司在中国业务的拓展与实施，以进一步稳固、拓展德利国际在中国航空物流设备中的市场地位和业务范围。公司地址: 北京市通州区光机电一体化产业基地联东商务中心

Pteris Global Limited, once known as Inter-roller Engineering Limited is one of the worlds leading Engineering companies in the design and manufacture of Airport logistics Systems such as Airport Baggage Handling System, In-flight Catering System, Air Cargo Handling System and Express Courier Handling Systems. Listed on the Moin Board of the Singapore Stock Exchange since 1991, we are a total system solution provider that delivers a comprehensive suite of engineering and design services which include system and capacity evaluation, system conceptual design, detailed engineering design, computer simulation, manufacturing, project implementation as well as maintenance services. Pteris Global (Beijing) Limited [once known as Inter-roller Engineering (Beijing) Limited] as the subsidiary of Pteris Global Limited, it mainly takes charge of the parent companys business in China so as to consolidate the status and exploit the market of Pteris Global in the International Airport Logistic Engineering filed.