WELDING PROCEDURE SPECIFICATION（WPS）YES [√] PREQUALIFIED: ? QUALIFIED BY TESTING: ? Or PROCEDURE QUALIFICATION (or PQR) YES [ ] CODE: AWS D 1.1 CompanyName:Tangshan Yonghe Metallurgical Equipment Manufacturing Co., LTD ? 公司名称： 唐山市永和冶金设备制 造有限公司 WPS No.: YH201506-2 Rev.: 0 PQR No.: YH-PQR-201506-2 Rev.: 0 Prepared By 编制人 : Date 日期 : Approv