20G高壓鍋爐管
20G高壓鍋爐管32*2.5 20G 5700
20G高壓鍋爐管38*3.5 20G 5500
20G高壓鍋爐管45*4 20G 5500
20G高壓鍋爐管76*4 20G 5500
20G高壓鍋爐管89*4 20G 5500
20G高壓鍋爐管89*6 20G 5500
20G高壓鍋爐管108*4 20G 5500
20G高壓鍋爐管133*5 20G 5500
20G高壓鍋爐管159×5 20G 5600
20G高壓鍋爐管168×6 20G 5600
20G高壓鍋爐管168×8 20G 5600
20G高壓鍋爐管168×10 20G 5600
20G高壓鍋爐管168×12 20G 5600
20G高壓鍋爐管219*8 20G 5600