HP80MM-HP430MM Standard: EN10067 GB9945 Approved by CCS, GL, LR, ABS, BV, DNV, RINA, NK, KR Steel profiles -bulb flat We are a steel manufactory in china, we specialized in section steel about 20 years ,with the strength to supply quality goods and low price .major products include:bulb flat,Inverted angle,angle bar.Our products approved by CCS,ABS,GL,LR,DNV,BV,NK,KR,RINA etc classification ...