... cutting, Rectified well. Langfang Metallurgical Machinery Group is the parent company of Langfang Kunfeng Steel Co.,Ltd,established in ... make Steel Strap or Steel Piece.Its process is: reciprocal rolling, rectify, vertical stapping, re-rectify, horizontal cut, then we get the ... Steel Strap or Steel Piece, and prepared to make cans or cable, or others. ...