You have met the bad suppliers? Or you are worried about the scammers before ordering. If you did, we can help you. Please see the following: This is china- know- all in china. (1)"Suppliers due diligence "--- due diligence, provide a report of due diligence. (2)"Providing some useful information"as: illegitimate suppliers list, quotation, law, hotel, airport and etc. Just feel free to contact with me and try our service and information. For the first, we do not take any fee.