AMENDMENT TO LICENSE AGREEMENT

AMENDMENT TO LICENSE AGREEMENT dated July 10, 2009, between Greenchek Technology Inc., formerly Ridgestone Resources Inc., hereinafter collectively referred to as “Licensee” and China Bright Technology Development Limited hereinafter referred to as “China Bright” and Lincoln Parke hereinafter referred to as “Principal” and, together with China Bright, the “Licensor”.

WHEREAS, the parties desire to amend the License Agreement entered into between them on July 10, 2008 (the “License Agreement”);

WHEREAS, the parties have not completed the performance of all of the terms and conditions of said License Agreement; and,

WHEREAS, the parties desire to now amend said License Agreement in order to modify certain te