Material preparation
Preparasyon materyèl
 Straightening, cutting the head, and butt welding
Redresman, koupe tèt la, ak soude bou
 Spiral accumulator
Espiral akimilatè
Forming system
Fòmasyon sistèm
Welding
Soude
Medium frequency annealing
Mwayen frekans recuit
Cooling treatment
Tretman refwadisman
Ultrasonic
À
Sizing and straightening
Dimansyon ak redresman
Cutting to length
Koupe nan longè
Hydrostatic test
Tès idrostatik
Final product inspection
Enspeksyon final pwodwi