Parcels marked deliverd when not delivered !**** procedures

I am sick and tired of this delivery company.They are running a **** company of *****ing people's parcels.Shein and Temu is going to regret doing business with this stupid companies.They mark parcels as delived on client systems ...even though you ddnt get your parcel .Then you must call countless times and run behind them in order to get your stuff .Guys please help this is not on !!! I think it's the last time I'm ordering sheim and Temu