Monthly Return of Equity Issuer on Movements in Securities

ANNOUNCEMENT UNAUDITED 2019 THIRD QUARTERLY REPORT

DATE OF BOARD MEETING

REGARDING THE ESTIMATED RESULTS FOR THE NINE MONTHS ENDED 30 SEPTEMBER 2019

APPOINTMENT OF COMPLIANCE ADVISER

Monthly Return of Equity Issuer on Movements in Securities

2019 Interim Report

Monthly Return of Equity Issuer on Movements in Securities

IN RELATION TO THE SUSPENSION OF PRODUCTION FOR INSPECTION AND MAINTENANCE AND PARTIAL IMPROVEMENT IN THE EQUIPMENT OF A WHOLLY OWNED SUBSIDIARY

INTERIM RESULTS ANNOUNCEMENT FOR THE SIX MONTHS ENDED 30 JUNE 2019

DATE OF BOARD MEETING

Monthly Return of Equity Issuer on Movements in Securities

Monthly Return of Equity Issuer on Movements in Securities

POLL RESULTS OF ANNUAL GENERAL MEETING HELD ON 21 JUNE 2019

ANNOUNCEMENT IN RELATION TO THE REPLY TO THE SHENZHEN STOCK EXCHANGE’S INQUIRY LETTER FOR ANNUAL REPORT 2018

Monthly Return of Equity Issuer on Movements in Securities

INDICATIVE ANNOUNCEMENT OF THE 2018 ANNUAL GENERAL MEETING

CLARIFICATION ANNOUNCEMENT

Monthly Return of Equity Issuer on Movements in Securities

Proxy Form for the Annual General Meeting to be held on 21 June 2019