GCS exhibits at IMS 2019 International Microwave Symposium (Booth # 410) at the Boston Convention Center, from June 4-6, 2019.

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

Q1 2021 Investor Conference Call (Mandarin)
Date: Apr 27, 2021 (Tuesday)
Time: 2:30 pm, Taiwan Time
Conference content: Q1 2021 financial and operation report
[ READ MORE]

Q4 2020 Investor Conference Call (Mandarin)
Date: Mar 19, 2021 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q4 2020 financial and operation report
[ READ MORE]

Q3 2020 Investor Conference Call (Mandarin)
Date: Nov 9, 2020 (Monday)
Time: 2:30 pm, Taiwan Time
Conference content: Q3 2020 financial and operation report
[ READ MORE]

Q2 2020 Investor Conference Call (Mandarin)
Date: Aug 5, 2020 (Wednesday)
Time: 2:30 pm, Taiwan Time
Conference content: Q2 2020 financial and operation report
[ READ MORE]

Q1 2020 Investor Conference Call (Mandarin)
Date: May 8, 2020 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q1 2020 financial and operation report
[ READ MORE]

Q4 2019 Investor Conference Call (Mandarin)
Date: Mar 16, 2020 (Monday)
Time: 2:30 pm, Taiwan Time
Conference content: Q4 2019 financial and operation report
[ READ MORE]

Q3 2019 Investor Conference Call (Mandarin)
Date: Nov 7, 2019 (Thursday)
Time: 2:30 pm, Taiwan Time
Conference content: Q3 2019 financial and operation report
[ READ MORE]

Q2 2019 Investor Conference Call (Mandarin)
Date: Aug 14, 2019 (Wednesday)
Time: 2:30 pm, Taiwan Time
Conference content: Q2 2019 financial and operation report
[ READ MORE]

The Company proposes to issue up to 4,000,000 ordinary shares through private placement [ READ MORE]

Q1 2019 Investor Conference Call (Mandarin)
Date: May 10, 2019 (Friday)
Time: 2:30 pm, Taiwan Time
Conference content: Q1 2019 financial and operation report
[ READ MORE]

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
[ READ MORE]

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
[ READ MORE]

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
[ READ MORE]

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]