| Stock Code | The Stock Exchange of Hong Kong Limited: 609 |
| Board of Directors |
Executive Directors Non-Executive Director Independent non-executive directors List of Directors and Their Role and Function Procedures for Shareholder to propose a person for election as a Director |
| Audit Committee |
Mr. Leung Kam Wan (Chairman) |
| Remuneration Committee |
Mr. Liu Chenguang (Chairman) |
| Nomination Committee |
Mr. Liu Yang (Chairman) |
| Safety and Environmental Protection Committee |
Mr. Liu Yang (Chairman) Terms of reference of the safety and environmental protection committee |
| Company Secretary | Ms. Lau Wai Chun |
| Independent Auditor | BDO Limited |
| Head Office and Principal Place of Business in The People’s Republic of China | Weifang High Tech Industry Development Zone Weifang City Shandong Province The PRC |
| Principal Place of Business in Hong Kong | Room 2204A on the 22nd Floor Bank of America Tower 12 Harcourt Road Central Hong Kong |
| Registered Office | Cricket Square Hutchins Drive P.O. Box 2681 Grand Cayman KY1-1111 Cayman Islands |
| Hong Kong Share Registrar and Transfer Office | Computershare Hong Kong Investor Services Limited Shops 1712-1716 on the 17th Floor Hopewell Centre 183 Queen’s Road East Wan Chai Hong Kong |
AMENDED AND RESTATED ARTICALES OF ASSOCIATION