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![]() In China and other countries, duct connector and tube connector are now popularly used in air-condition industry, which makes it more useful for tube and pipe forming / making equipment and machine for manufacturing tubes and ducts. Tubeformer and ductformer machinery made by Shanghai Metal Forming Co. Ltd., concentrate on ductconnector making / tube making and duct making. Meanwhile the laser cutter or cutting machine is the future direction of us. HVAC needs ducting structures like spiral insulation / duct connections / ductmate / flange forming / roll purlin forming / lock forming and pittsburgh seamer and so on. We sell our products directly ... [详细介绍] |