Shandong Hongmin roller mould co., ltd is established in 1997. The company is located in the convenient and beautiful Jinan North High-Tech Development Zone with an area of 17000 square meters. Its production workshop has an area of 7500 square meters. We are one of the largest professional roller mould factories in China. We have 140 sets excellent equipments which can assure the products’ quality. We have passed ISO9001:2000 international standard quality system certificate and complies strictly with high-frequency straight seam welded pipe company standard QB-01 and Cr12Mov large roller rough quality qualification JX-123-2002. Our main products ①high-frequency straight seam welded pipe roller mould products sets ②stainless steel roller mould products sets ③roll formed shape molding products sets ④flattening machine products sets ⑤vertical slitter knife; horizontal slitter knife