"航天精工股份有限公司隶属于中国航天科工集团有限公司，是国内专业从事航空航天高端紧固件研发、制造、检测、服务的高新技术企业。2011年在原贵州3536厂和河南694厂两家紧固件制造企业基础上，经整合重组成立了航天精工股份有限公司，共有员工1700余人，下辖河南、贵州、天津三个制造基地，构建了以飞机机体、航天、航空发动机三大领域为基础的专业化能力布局。 航天精工致力于以航空航天为代表的国内中高端标准紧固件市场的配套服务，生产的紧固件产品包括各种级别、材质、强度的螺栓、螺钉、螺母、自锁螺母、铆钉、垫圈、销轴、卡箍、锁类及橡胶类。配套范围涉及航天、航空、航发、兵器、电子、船舶、轨道交通、核工业、机械制造等行业；公司圆满完成了历次载人航天、月球探测等系列国家重点工程以及航空重点型号的研制配套任务，近年来在民用航空、轨道交通、核电等领域取得重大突破。 航天精工建立了完备的质量管理体系，通过了AS9100和AS9120质量体系，工艺装备、检测试验设备行业领先，热处理、表面处理、无损检测和涂层实验室等特种工艺通过NADCAP审核认证，具备国家实验室认可、拥有航天科工研究检测中心；科研生产实力雄厚，专利申请量和授权量行业领先，参与编制QJ系列120多项航天标准，撰写《紧固件概论》、《航空航天专用紧固件材料手册》，指导客户如何对所需产品进行选型、选材。"

"Aerospace Precision Products Co., Ltd (APP for short) is attached to China Aerospace Science and Industry Corporation. It is a state-owned high-tech enterprise integrating the research, manufacture, testing and service of medium and high-end fasteners. The headquarter is located in Tianjin, the subsidiaries including Research Institute, Henan Aerospace Precision Machining Co., Guizhou Aerospace Precision Products Co., Ltd, APP Tianjin Branch, Ltd and Marketing Company. It has about 1700 employees, which is a high-quality, professional, typical and dedicative team of scientific research, manufacture and management. APP devotes itself to the supply service of high and medium end standard fasteners for especially the representative aerospace industry. It’s fastening products including a series of bolts, screws, nuts, self-locking nuts, rivets, washers, pins, clamps, latches and seals of different class, material and strength. APP has passed the certification of AS9100D:2016、ISO 9001:2015 Quality Management System, ISO/IEC 17025 and GE-S400 Laboratory, as well as the NADCAP audit and recognition of special processes like heat treatment, surface treatment, nondestructive testing and coating lab."