GLC1-0.4(碳钢-内芯紫铜管),GLC1-0.6(碳钢-内芯紫铜管),GLC1-0.8(碳钢-内芯紫铜管),GLC1-1(碳钢-内芯紫铜管),GLC1-1.2(碳钢-内芯紫铜管),

GLC2-1.3(碳钢-内芯紫铜管),GLC2-1.7(碳钢-内芯紫铜管),GLC2-2.1(碳钢-内芯紫铜管),GLC2-2.6(碳钢-内芯紫铜管),GLC2-3(碳钢-内芯紫铜管),

GLC2-3.5(碳钢-内芯紫铜管),GLC3-4(碳钢-内芯紫铜管),GLC3-5(碳钢-内芯紫铜管),GLC3-6(碳钢-内芯紫铜管),GLC3-7(碳钢-内芯紫铜管),

GLC3-8(碳钢-内芯紫铜管),GLC3-9(碳钢-内芯紫铜管),GLC3-10(碳钢-内芯紫铜管),GLC3-11(碳钢-内芯紫铜管),GLC4-13(碳钢-内芯紫铜管),

GLC4-15(碳钢-内芯紫铜管),GLC4-17(碳钢-内芯紫铜管),GLC4-19(碳钢-内芯紫铜管),GLC4-21(碳钢-内芯紫铜管),GLC4-23(碳钢-内芯紫铜管),

GLC4-25(碳钢-内芯紫铜管),GLC4-27(碳钢-内芯紫铜管),GLC5-30(碳钢-内芯紫铜管)