QINGDAO TONGSAN PLASTIC MACHINERY CO.,LTD.
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The COD pipe process: there are two production lines


Straight pipe making machine (inner pipe in COD pipes ) 

single screw extruder--- die unit--mould--vacuum and cooling tank--hauling off device --- coiling device 


feed straight pipe to spiral pipe

straight pipe putting device--- extruder(for spiral pipe)--die--mould--vacuum sizing device --- hauling off device --- final COD pipe winder

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COD pipe machine

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CONTACT US

Contact Person: Jessica Wang (sales manager)


Email: sales@tongsanextruder.com


Mobile: 0086 13969891023


Whatsapp: 0086 13969891023


Wechat: 0086 13969891023


Address: The west end and south side of Yangzhou Road, Jiaozhou, Qingdao, China