Imile BAD SERVICE

I have been waiting for a Shien order more than a month now, there service is bad and pathetic, all my Christmas items are in there, and just no package delivered, I experienced this once before with them and didn't bother to order from Shien again because of them , I thought i would give it another try and BOOM this bad serviced people delivering my Stuff again , WHY ARE THEY SO DELAID compared to the other Couriers , i need my stuff urgently