1.Material: ZG310-570 2.Model Number: JLP 3.Quality: finest material and process. 4.Length:250mm. Diameter:658mm 5.ISo9001 quality control and inspec
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1.Material: 45# 2.Model Number: JS 3.Quality: finest material and process. 4.Length:440mm. Diameter:600mm 5.ISo9001 quality control and inspection. 6
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1.Material: 42CrMoA. 2.Model Number: FL 3.Quality: finest material and process. 4.Length:398mm. Diameter:370mm 5.ISo9001 quality control and inspecti
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1.Material: 17CrNiMo6 2.Model Number: FL 3.Quality: finest material and process. 4.Length:772mm. Diameter:210mm 5.ISo9001 quality control and inspect
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