这个询盘是真的吗？

Thank you for sending your catalog. We are interested to buy Acclaim products .We like to inform you that our sister company have 2 branches with 2 showrooms and are one of the largest dealers in lighting in Lebanon .To start doing business with your esteemed firm we like to receive an agreement as under : GREEMENT This agreement is between ACCLAIM - CHINAANDMr. Hilal wakim - Kfour - Lebanon

1) Acclaim accept to send Mr. Hilal Wakim copy correspondence between us and his sister company .

2) Acclaim confirm to pay Mr. Hilal Wakim 5% on all shipments to his sister company 

3) Acclaim accept to keep this agreement CONFIDENTIAL between us. On receipt of the above agreement we shall proceed with our business with you . RegardsHilalHilal WakimHilal Wakim Bldg.

一个黎巴嫩客户，只发了一个询盘来，就要我们签这样的协议，会是骗子吗？ 还是说只是为了要佣金？