Exhibit 99.1

Agreement Regarding the Joint Filing of
Schedule 13D

The undersigned hereby agree as follows:

(i) Each of the undersigned is individually eligible to use the Schedule 13D to which this Exhibit is attached, and such Schedule 13D is filed on behalf of each of them; and

ii) Each of the undersigned is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of the undersigned is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.


Dated May 18, 2005
		/s/ Gary S. Robinson

		Gary S. Robinson

Dated May 18, 2005
		/s/ Richard B. George

		Richard B. George

Dated May 18, 2005
		/s/ Ian C. Hatchell

		Ian C. Hatchell

Dated May 18, 2005
		/s/ Mukhtiar Singh Sohal

		Mukhtiar Singh Sohal

Dated May 18, 2005
		/s/ Simon M. Coates

		Simon M. Coates

Dated May 18, 2005
		/s/ Xufei Song

		Xufei Song

Dated May 18, 2005
		/s/ Manfred Unger

		Manfred Unger

Dated May 18, 2005
		/s/ Martyn P. Booker

		Martyn P. Booker

GREATER CHINA CORP SC 13D