Cooperate Logistics provides low quotations on Alibaba, then they drag clients out of Alibaba. Cooperate Logistics provides their collecting address and once they have received client's goods, they increase the price with ridiculous reasons. Client can choose either to pay or to lose own goods. That's mafia-like behavior. They also charge for more weight than actually shipment is (they charged us for 100kg for a 76.4Kg shipment).
Be aware, there is no authority to recover financial losses!