GMC have a cooperation with World Standard Quality Companies.
- KUKIL : Korea_Automatic Measurement System
- Dong-Do: Korea_ HBT Probe & Amplifier System
- Shekinah: Korea_Automatic Measurement System
- Raynar: Korea_ Eddy Current & UT System
- D-World: Korea_ Optical Vision System
- SEC: Korea_ Industrial X-Ray System
- FINE: GLOBAL SMART LEADER
- SMAC: USA_ CMM for in Line & Nano Moving Coil System
- ptm: Powertrain test machine
- KISC: Consulting Service
http://www.kicsbiz.co.kr/gnuboard4/
- TMTECHI: Power TM TECH
- KY-System: Korea_ Tunky Base FA & Assembly In Line System
- MECHASYS: Mechatronics System Solution
- Meastem: Korea_Special Bench Gauge
High-Tech Manual Gauge Unit