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A 106 fire Fighting epoxy coating carbon seamless ທໍ່ເຫລໍກ
ASTM A795 epoxy coated erw and seamless fire Fighter sprinkler steel pipe sch40 red painting grooved fire hydrant steel pipe
A106 ສີແດງ UL FM Certificate ERW Carbon Fire Sprinkler Fire Fighting Pipes ລາຄາ
Hot Dip Galvanized ທໍ່ເຫລໍກຮອບ / Pre Galvanized Steel Pipe Gi Pipe
Hot dipped galvanized Weld Carbon SCH40 steel Pipe tube Bulk ບັນຊີລາຍຊື່ທໍ່ຂາຍ
Hot Dip Galvanized Round Steel Pipe / GI Pipe Pre Galvanized Steel Pipe Galvanized Tube ສໍາລັບການກໍ່ສ້າງ
ຜູ້ຜະລິດຄຸນະພາບສູງ ASTM BS Tube Gi Galvanized Steel Pipe ສໍາລັບການກໍ່ສ້າງ

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