GLC1-0.4(碳鋼-內芯紫銅管),GLC1-0.6(碳鋼-內芯紫銅管),GLC1-0.8(碳鋼-內芯紫銅管),GLC1-1(碳鋼-內芯紫銅管),GLC1-1.2(碳鋼-內芯紫銅管),
GLC2-1.3(碳鋼-內芯紫銅管),GLC2-1.7(碳鋼-內芯紫銅管),GLC2-2.1(碳鋼-內芯紫銅管),GLC2-2.6(碳鋼-內芯紫銅管),GLC2-3(碳鋼-內芯紫銅管),
GLC2-3.5(碳鋼-內芯紫銅管),GLC3-4(碳鋼-內芯紫銅管),GLC3-5(碳鋼-內芯紫銅管),GLC3-6(碳鋼-內芯紫銅管),GLC3-7(碳鋼-內芯紫銅管),
GLC3-8(碳鋼-內芯紫銅管),GLC3-9(碳鋼-內芯紫銅管),GLC3-10(碳鋼-內芯紫銅管),GLC3-11(碳鋼-內芯紫銅管),GLC4-13(碳鋼-內芯紫銅管),
GLC4-15(碳鋼-內芯紫銅管),GLC4-17(碳鋼-內芯紫銅管),GLC4-19(碳鋼-內芯紫銅管),GLC4-21(碳鋼-內芯紫銅管),GLC4-23(碳鋼-內芯紫銅管),
GLC4-25(碳鋼-內芯紫銅管),GLC4-27(碳鋼-內芯紫銅管),GLC5-30(碳鋼-內芯紫銅管)