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2. Copper alloy contact wires: Copper-silver alloy CTAH series (CTAH85, CTAH110, CTAH120, CTAH150),
Copper-magnesium alloy CTMH series (CTMH110, CTMH120, CTMH150);
3. Internally wrapped steel-aluminum composite contact wires: GLCN series (GLCN195, GLCN250);
4. Exposed steel-aluminum composite contact wires: CGLW series (CGLW100, CGLW173, CGLW215);
5. Steel-core aluminum alloy composite contact wires: CGLHD series (CGLHD195, CGLHD260, CGLHJ260);
6. Aluminum alloy contact wires: CLHA series (CLHA 130, CLHA 170, CLHA 200);
2. Messenger wire hardware (also known as messenger wire tightener, messenger wire holder):
1. Current collector assembly (pantograph), collector head, carbon slider, copper connection rod, copper-aluminum transition (SLT-1, SLT-2), disc-type copper feeder clamp;
2. Chain suspension assembly, rigid suspension assembly, armored messenger wire holder, curve messenger wire holder (-001), phenolic messenger wire holder (AK-1);
3. Messenger wire porcelain insulator (CD-1, -1), rigid porcelain insulator (-02), pin-type porcelain insulator (P-6-10-15), chain suspension porcelain insulator, rigid clamp plate (120mm, 150mm, 300mm), wire puller (XK-1), messenger wire plate;
4. Single wire clamp (DXK-1, DXT-1), double wire clamp (DXK-2, BXT-2), parallel groove clamp (BJK-1, BJK-2, BJK-1, BJT-2, BJKT-1), snap ring clamp (KH-1), aluminum feeder clamp (KDL-1), copper feeder clamp (KDT-1), jumper clamp (DA-1), terminal clamp (ZD-1-2-3), dropper clamp (DJ-1), crimping tube single wire clamp, pressing plate single wire clamp, chain suspension clamp, steel wire rope clip (12mm-15mm);
5. Section switch (HHP1-200, HHP1-200-600), section insulator (F-1, F-2), insulator (J-1, J-2, J-4.5), insulated rail joint, terminal adjustment hook (TJ-12, TJ-16), horizontal messenger wire hook, single catenary wall, double catenary wall.

Note: The above information and technical parameters are compiled and released by Yangzhou Dary Electric Co., Ltd.