21．卫星导航定位接收设备及关键部件制造（限于合资、合作）
(21)Manufacture of receiving equipment of satellite navigation and key components (equity joint ventures or contractual joint ventures only)

22．光纤预制棒制造
(22)Manufacture of optical fibre preformrod

23．622兆比/秒及以上数字微波同步系列传输设备制造
(23)Manufacture of serial transmission equipment of digital microwave synchronization of 622 MB/S

24．10千兆比/秒以上光同步系列传输设备制造
(24)Manufacture of serial transmission equipment of phototiming synchronization of 10 GR/S

25．宽带接入网通信系统设备制造
(25)Manufacture of equipment for cut-in communication network with broad bond

26．光交叉连接设备（OXC）制造
(26)Manufacture of optical cross-linking equipment (OXC)

27．异步转移模式（ATM）及IP数据通信系统制造
(27)Manufacture of ATM and IP data communication system

28．移动通信系统（含GSM、CDMA、DCS1800、DECT、IMT2000等）手机、基站、交换设备及数字集群系统设备制造
(28)Manufacture of mobile communication systems (GSM, CDMA, DCS1800, DECT, IMT2000): mobile telephone, base station, switching equipment and digital colonization system equipment

29．高端路由器、千兆比以上网络交换机开发、制造
(29)Development and manufacture of high-end router, network switchboard of gigabit per second or over

30．空中交通管制系统设备制造（限于合资、合作）
(30)Manufacture of equipment for air traffic control system (equity joint ventures or contractual joint ventures only)

（二十一）仪器仪表及文化、办公用机械制造业
21.Machinery Industries for Instrument and Meter, Culture and Office

1．数字照相机及关键件开发与生产
(1)Development and production of digital cameras and key components

2．精密在线测量仪器开发与制造
(2)Development and manufacture of precision on-line measuring instrument

3．安全生产及环保检测仪器新技术设备制造
(3)Manufacture of new technical equipment for safe production and environment protection detecting instrument

4．水质及烟气在线监测仪器的新技术设备制造
(4)Manufacture of new-tech equipment of water quality and fume on-line detecting instrument

5．水文数据采集、处理与传输和防洪预警仪器及设备制造
(5)Manufacture of instrument and equipment for hydrological data collecting, processing, transmitting and flood warning

6．新型仪表元器件和材料（主要指智能型仪用传感器、仪用接插件、柔性线路板、光电开关、接近开关等新型仪用开关、仪用功能材料等）生产
(6)Production of new type of meters' spare parts and materials (mainly new switches and function materials for meters such as intelligent sensors, socket connector, flexible circuit board, photoelectric switches and proximity switches.)

7．新型打印装置（激光、喷墨打印机）制造
(7)Manufacture of new type printing devices (laser printers, ink-jet printers)

8．精密仪器、设备维修与售后服务
(8)Maintenance of precision instrument and equipment, post-sale services liuxuepaper.com