southeastern frieght lines damages damages and will be your fault w columbia, South Carolina

well i had a tool box shipped had just paid almost 4000 for it and decided to move to another state and had it shipped. southeastern freight lines picked it up from the warehouse and signed for it saying it was in good shipping order. when i received it it was damaged pretty bad and noted by the driver. sent in a damage claim waited 2 months for them to respond. they said it was my fault that they damaged my box and told because it wasn't packaged properly. but not according to the person that picked it up with a signature stating it was ok. then they said because it was used for 5 weeks that it wasn't worth anything. i for one will never use this company again and would caution anyone that does use it to not