Heibei Haide Roll Forming Machinery Co.,Ltd is the biggest and strongest in north of china.Our company specialized in manufacturing roof panel roll forming machine.wall panel forming machine .C.Z shape purlin forming machine.glazed tile roll forming .steel structural floor panel roll forming machine.sandwich panel roll forming amchine .highway guardrail forming machine and other cold roll forming amchines.our company has been engaged in manufacturing roll forming amchine for more than 10 year .our products passed CE &ISO9001 certification.