I need set meeting with clients in Singapore

We want to meet atarget client on Sep 4th, but failed to reach them. Looking for a local to make appointments for meeting with them. Requirement: 1. Collect key persons---Purchase head or decision maker of importing contacts( mobile phone number, landline and email) 2. Meeting set successfully We only pay after meeting set successfully and collecting valid contacts of key persons. 3. Collect information as follow: 1)Exact infomation of its China supplier 2)Detailed products specification and price 3)Annual import volume