Shandong Lantian Steel Structure Project co.is built in 2004.lt has introduced about 30 advanced productions line including GI，GAL, PPGI roll forming machine, sandwich panel machine and C/Z machine.
Shandong Lantian Steel Structure Project co.is built in 2004.lt has introduced about 30 advanced productions line including GI，GAL, PPGI roll forming machine, sandwich panel machine and C/Z machine.