南化公司化机陕、东增补进口焊材中国石化集团南京化学工业有限公司低合金钢焊丝\EB3R Φ4.0 AWS A5.23焊剂\F9P6-EB3低合金钢焊条\E9015-B3 Φ4.0 AWS A5.5低合金钢焊条\E9015-B3 Φ5.0 AWS A5.5低合金钢焊条\E9015-B3 Φ5.0 AWS A5.5低合金钢焊丝\ER90S-B3 Φ2.4 AWS A5.28低合金钢焊丝\ER90S-B3 Φ2.4 AWS A5.28焊剂\F9P6-EB3低合金钢焊丝\EB3R Φ4.0 AWS A5.23
2026-04-16