When you are working with a new supplier, please be attention with below point before you transfer the payment, this is very important.
1) Get and visit the company website.
2) Check carefully how many years the company works on this field.
3) Make sure you are contacting with a real person from the company, contact by company e-mail ID but not personal ID for example @yahoo.com, @163.com
3) Try to get the contact person's mobile number.
4) Be sure the banking information is belongs to the company, confirm whether if the beneficiary's name is the same as you can see on their webiste.
Besides, if you get any e-mail from your old suppliers about the banking information changed, please contact with the company (sales) for double checking by e-mail and phonecall.
Please be careful to choose partners to avoid any risk.