Company Name: Beijing Soundwel Technology      Co., Ltd

Tax No: 9111 0105 7382 4961 1E

Add: 117 Business Unit of Building 4, 11 Shuang Ying Road,      Chao Yang District, Beijing 100012, China

Phone: +86 10      82846705

Banking info: CMBC (China Merchants Bank) Beijing Lishui Qiao Branch

Account No: 110903457410604

Company name: Beijing Shengrui High Tech Trading Co., Ltd

Tax no: 9111 0109 7002 7687 63 n;

Add: Room 303, the 3th floor, Building D, No 6 Yard, Hua Ting      Jiayuan, North fourth ring road, Chaoyang district,      Beijing

Tel: 010-82844555

Banking info: CMBC(China Merchants Bank) Beijing Asian Games Village Branch

Account No: 110907381710201

Company No: Qing Cheng AE Institute Guangzhou Co., Ltd

Tax no: 9144 0101 MA59 QAH 289

ADD:Room 601-9,Building 3, 232 Ke Zhu Road, Huang Pu District, Guang Zhou City, Guang Dong Province, China

Phone:      +86-20-32290092

Banking info: CMBC (China      Merchants Bank) Guangzhou Development Zone      Branch.

Account      No: 120912625710901

Company Name: Guangzhou Shengrui  Non destructive Testing Instrument Co., Ltd

Tax No: 9144 0101 7973 8483 XW

Add:  Room 601-9,Building 3, 232 Ke Zhu Road, Huang Pu District, Guang Zhou City, Guang Dong Province, China

Tel: 020-32290092

Banking info: ICBC(Industrial and Commercial Bank of China Limited) Guangzhou Luogang      Branch

Account No: 3602089119200169131