Beijing SDI provides GYROSCOPE, Inertial Navigation System, Compass, Inclinometer, Accelerometer, GPS, Inertial Systems , Rubidium oscillator, Force/Load sensor and Telecommunication Parts and Devices .

GYROSCOPE
Fizoptika VG035P(D),VG910P(D),VG071P
VG949P(D),VG951(D),VG091A,VG095M
KVH DSP-3000
BEI GYROCHIP II(QRS14),HORIZON,LCG50
SiliconSense CRS03-01,CRS03-02,CRS03-04,CRS05,CRS10,CRG20
Analog Devices, Inc. ADXRS150, ADXRS300, ADXRS401, ADXRS610, ADXRS612, ADXRS613, ADXRS614, ADIS16060, ADIS16080, ADIS16100, ADIS16120, ADIS16130, ADIS16250, ADIS16251, ADIS16255, ADIS16350, ADIS16354, ADIS16355

Inertial Systems CROSSBOW IMU: IMU300CC,IMU440CA,IMU700CD
VG: VG440CA,VGS440CA,VG700CB,VG700AB
AHRS: AHRS400CD,AHRS500GA
GPS/INS: NAV420CA-100
Innalabs AHRS MiniAHRS 3Dsuit
iXsea PHINS??CTANS
iMAR iIMU-FSAS-E,iNAV-FMS-E(-AIRSURV, -LSURV)
IGI Flight management system
GSA GPS/INS:AGNC
Xsens IMU:MTx  
AHRS:MTi
Microstrain AccelRate3D,FAS-G,3DM-DH, 3DM-GX1,INERTIAL-LINK
Gyrocompass
TSS MAHRS SURFACE  MARINUS gyrocompass
OceanTools MiniFOG
ROV-FOG Subsea Heading & Attitude Reference Unit
North seeking SDI-141
Compass Honeywell HMR3000,HMR3300,HMR3400,HMR3500
KVH KVH C100
PNI TCM2.5,TCM3,TCM5
Sparton SP3003D
Crossbow CXM113,CXM539,CXM543,CXM544
CRM500GA,CRM510GA,CHS090TB,CHS100TB
Inclinometer ... ...
Rubidium oscillator ... ...
Force/Load sensor ... ...
Telecommunication Parts and Devices:
Shortwave Receivers,General Coverage Receivers,Special Application Receivers,Marine Receivers,Wireless Microphone Spectrum  
Monitors,Telemetry Receivers,Wide-band Phase-Coherent Tuners
Oscilloscopes
Spectrum and Signal Analyzers
Network Analyzers
Logic Analyzers
Protocol Analyzers / Exercisers for Computer, Storage, Automotive
EMI/EMC, Phase Noise, Physical Layer Test
Bit Error Ratio Test (BERT) Solutions
Digital Multimeters, Voltmeters
Power Meters & Power Sensors
Frequency Counter