GCS and D-Tech will exhibit at 2018 China International Optoelectronics Expo (CIOE) (booth #: 1A98) in Shenzhen from Sept. 5 to Sept. 8.

GCS exhibits at IMS 2018 International Microwave Symposium (Booth # 1506) in Pennsylvania Convention Center, from June 12-14, 2018.

GCS exhibits at IMS 2017 Intnational Microwave Symposium (Booth # 1818) in Honolulu, Hi from June 6-8, 2017

Q4 2018 Investor Conference Call (Mandarin)
Date: Mar 15, 2019 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q4 2018 financial and operation report
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GCS signed the Strategic Cooperation Agreement with Epistar [ READ MORE]

Q3 2018 Investor Conference Call (Mandarin)
Date: Nov 2, 2018 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q3 2018 financial and operation report
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Q2 2018 Investor Conference Call (Mandarin)
Date: Aug 3, 2018 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q2 2018 financial and operation report
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Q1 2018 Investor Conference Call (Mandarin)
Date: May 4, 2018 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q1 2018 financial and operation report
[ READ MORE]

Q4 2017 Investor Conference Call (Mandarin)
Date: Feb 27, 2018 (Tuesday)
Time: 2:30 pm, Taiwan Time
Conference content: Q4 2017 financial and operation report
[ READ MORE]

Q3 2017 Investor Conference Call (Mandarin)
Date: Nov 3, 2017 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q3 2017 financial and operation report
[ READ MORE]

Q2 2017 Investor Conference Call (Mandarin)
Date: Aug 4, 2017 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q2 2017 financial and operation report
[ READ MORE]

Q1 2017 Investor Conference Call (Mandarin)
Date: May 5, 2017 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q1 2017 financial and operation report
[ READ MORE]