MLION CORPORATION , along with our partners, is dedicated to the manufacturing of pipes for foundation functions. LSAW (Longitudinally Submerged Arc Welded Steel pipes) in leaflets plate as uncooked material, the steel plate in the mold or molding machine strain (volume) into using double-sided submerged arc welding and flaring from production. J-SPIRAL STEEL PIPE CO., LTD, which … Continue reading which may produce 4263000×1050mm thick wall steel pipes