06/01/2020

截至二零一九年十二月三十一日止月份之股份發行人的證券變動月報表 

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 December 2019 

04/02/2020

截至二零二零年一月三十一日止月份之股份發行人的證券變動月報表 

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 January 2020 

27/02/2020

（1）有關收購河南藍天中油潔能科技有限公司餘下50%股權之須予披露交易；及（2）更改所得款項之用途

（1） DISCLOSEABLE TRANSACTION IN RELATION TO THE ACQUISITION OF THE REMAINING 50% EQUITY INTERESTS IN HENAN BLUE SKY SINO GAS TECHNOLOGY COMPANY LIMITED;AND(2)CHANGE IN USE OF PROCEEDS

03/03/2020 

盈利預警 

PROFIT WARNING 

04/03/2020

截至二零二零年二月二十九日止月份之股份發行人的證券變動月報表 

Monthly Return of Equity Issuer on Movements in Securities for the month ended 29 February 2020 

10/03/2020 

自願公告 有關新型冠狀病毒(COVID-19)疫情對業務運營之影響 

VOLUNTARY ANNOUNCEMENT REGARDING THE IMPACT OF NOVEL CORONAVIRUS (COVID-19) EPIDEMIC ON BUSINESS OPERATIONS

18/03/2020

董事會召開日期 

DATE OF BOARD MEETING

31/03/2020

截至2019 年12 月31 日止年度的年度業績公告 

ANNUAL RESULTS ANNOUNCEMENT FOR THE YEAR ENDED 31 DECEMBER 2019 

02/04/2020

截至二零二零年三月三十一日止月份之股份發行人的證券變動月報表 

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 March 2020 

27/04/2020

2019年報 

2019 ANNUAL REPORT 

27/04/2020

建議重選退任董事及建議授出購回股份及發行股份的一般授權及股東週年大會通告 

PROPOSED RE-ELECTION OF RETIRING DIRECTORS AND PROPOSED GRANTING OF GENERAL MANDATES TO REPURCHASE SHARES AND TO ISSUE SHARES AND NOTICE OF ANNUAL GENERAL MEETING 

27/04/2020

股東週年大會通告

NOTICE OF ANNUAL GENERAL MEETING 

27/04/2020

2020年6月8日（星期一）舉行的股東週年大會適用的代表委任表格 

FORM OF PROXY FOR THE ANNUAL GENERAL MEETING TO BE HELD ON MONDAY, 8 JUNE 2020 

06/05/2020

截至二零二零年四月三十日止月份之股份發行人的證券變動月報表 

Monthly Return of Equity Issuer on Movements in Securities for the month ended 30 April 2020 

08/05/2020

公司秘書及授權代表變更

CHANGE OF COMPANY SECRETARY AND AUTHORISED REPRESENTATIVE 

03/06/2020

截至二零二零年五月三十一日止月份之股份發行人的證券變動月報表 

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 May 2020