Sanon pipe awọn ọja: Cr5Mo alloy tube, 15CrMo alloy tube, 12Cr1MoVG alloy tube, ga titẹ alloy tube, 12Cr1MoV alloy tube, 15CrMo alloy tube, P11 alloy tube, P12 alloy tube, P22 alloy tube, T91 alloy tube, P91 alloy tube, P91 alloy tube. tube igbomikana titẹ giga, tube pataki ajile kemikali, bbl
Ka siwaju