Tianjin Coorig Technology Co., Ltd. - Coowor.com
Auto duct line 1/2/3/4/5 machines; CNC Plasma cutting machines; TDF/TDC Flange forming machines; Pittsburgh lock forming machines; Pneumatic/Hydraulic folding machines; hydraulic vertical duct zipper; hydrauulic corner inserting machine; volume/fire damper production line; cable tray production line; composite duct production line etc
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