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Steel Grade（鋼級）: ST35(E235), ST45(E255), ST52(E355), SAE1010, SAE1020, SAE1035, SAE1045, 30CrMo, 42CrMo4, etc.
Standards（標準）: 歐標：EN10305-1, EN10305-4
美標： ASTM A519, J524, AMS-T-6736
日標：JIS G3445, etc.
Size Range: OD（外徑范圍）: 4-80mm
WT（壁厚范圍）: 0.5-10mm
Annual output of precision cold-drawn tube（精密冷拔管年產量）: 13,000T/Year
Annual output of precision cold-rolled tube （精密冷軋管年產量）: 23,000T/Year
