we are special steel manufacture in China, our size is dia80-800mm, the materials are CK45+N, S355J2G3+N, St52+N, 34CrNiMo6+QT,30CrNiMo8+QT, AISI410, H13, 42CrMo4+QT, and others materials.

we hope to estabilish the good business relationship with your company.
any enquiry, please contact me.