Linyi nroog Luozhuang cheeb tsam Luoxi Plastic khoom Hoobkas, nrhiav tau nyob rau hauv 2003, yog tus thawj coj ntawm lub ua npuas ncauj lev kev lag luam nyob rau hauv Tuam Tshoj, ntawm zus tau tej cov ua npuas ncauj lev uas nto moo hom, yog qhov ntxov tshaj plaws lev enterprise nyob rau hauv Tuam Tshoj domestic kev ua lag luam, muag nqi nqi ntawm RMB 100000000 ntau, lub hom ntawm "Tianli," "Pingao" tau muag ntau tshaj 30 lub xeev nyob rau hauv Tuam Tshoj, muaj ntau tshaj li 2000 kev muag khoom khw muag khoom noj nyob rau hauv Tuam Tshoj, kuj exported rau cov teb chaws Europe thiab lub tebchaws United States.