LEFIN STEEL ระยะการผลิตดังนี้
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| สี่เหลี่ยม | สี่เหลี่ยม | 1.6 | 2.0 | 2.3 | 2.5 | 3.0 | 3.2 | 4.0 | 4.5 | 5.0 | 6.0 | 6.3 | 8.0 | 9.0 | 10.0 | 12.0 | 12.5 | 16.0 | 19.0 | 20.0 | 22.0 |
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วิศวกร LEFIN STEEL ยังคงส่งเสริมเครื่องผลิตชิ้นส่วนกลวงอย่างต่อเนื่อง ตอนนี้ช่วงการผลิตสูงสุดของเราสามารถทำได้ 1200MMX1200MMX50MM ส่วนใหญ่ใช้การก่อสร้างสนามบินและอาคารโครงสร้างเหล็ก
ป้ายกำกับยอดนิยม: en10219 ส่วนกลวงเหล็ก จีน ซัพพลายเออร์ ผู้ผลิต โรงงาน ราคา
