evidence of what? 
my payment history shows that the LTC have been transferred but I have no other indication except that nothing has ever arrived in my wallet
Evidence to show that you weren't paid what you attempted to withdraw and that they weren't replying to your emails. What's so hard with that? my payment history shows that the LTC have been transferred but I have no other indication except that nothing has ever arrived in my wallet
Screenshots of your Deposit and withdrawal histories
your address to with you were withdrawing to in order to verify via and explorer that you received nothing