Oem Cooperation Agreement Dated May 26, 2006

Exhibit 10.13

OEM Cooperation Agreement

Party A: Xi' an System Sensor Electronics, Ltd. Party B: Sureland Industrial Fire Safety Co., Ltd.

Party A is a Chinese subsidiary under Honeywell, a famous transnational corporation of Top 500 Corporation, with extensive global sales network; Party B is a development manufacturer of linear heat fire detector with advanced technology and reliable quality. On the principle of reciprocity and mutual benefit, complementing advantages, cooperative development of market and common development, whereas, Party A consigns Party B to manufacture the series linear heat fire detector developed by Party A and its accessories in the method of OEM, and sell in the brand of Party A, the following agreement is entered by and between Party A and Party B in Beijing on May 26, 2004. I. Rights and obligations of Party A

1. Responsible for development of market and sale, and exploring the international market through its extensive sales network; 2. Responsible for the after-service and technical support to the users;

3. Reflecting the service conditions of the products and market information of the selling area from time to time. 4. Making the payment in the payment period appointed in the Article 4;

5. Party A is responsible for treating any materials and samples offered by Party B in confidence, which can be used only in product inspection and market sale, never used for any other purposes or disclosed to any third Party. The intellectual property rights of some relative product technologies shall still belong to Party B.

6. Party A will cooperate with Party B in regulating the market of linear heat fire dete ...