Toonaangevende fabrikant en leverancier van stalen buizen in China |

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Tentoonstellingen en certificaten

TENTOONSTELLINGEN (3)
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DNV-certificaat_00
API5CT-certificaat
API 5L-certificaat
  • Botop Steel ISO-certificering-2
  • Botop-staalcertificering (1)
  • Botop-staalcertificering (2)
  • Botop-staalcertificering (3)
  • Botop-staalcertificering (4)
  • Botop Steel Certificering (5)
  • Botop Steel Certificering (6)
  • Botop Steel Certificering (7)
  • Botop-staalcertificering (8)
  • Botop Steel Certificering (9)