QINGDAO LONGCHANGJIE MACHINE CO

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About Us--QingDao Longchangjie machine co,.ltd

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Longchangjie Machine | Plastic Pipe Making Machine \u0026 Sheet / Profile Extrusion Lines Manufacturer

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100mm single wall corrugated pipe production line testing

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450PE Pipe Production Line

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250PE Three layer co extruded pipe production line

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16mm single wall corrugated pipe production line testing

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PE heating reservation pipe production line

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160PE Pipe production line

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1200 The Huge Calibre Hollowness Wall Winding Pipe Production Line

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Strand Pelletizing

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HDPE Silicon Core Pipe Production Line

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2200 The Huge Calibre Hollowness Wall Winding Pipe Production Line

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COD pipe production line

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Plastic building template extrusion line

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Plastic super silent pipe production line video 1

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PB Pipe Production Line

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20 63PPR Pipe Production line

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160 450PE Three layer co extruded pipe production line

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Plastic Pipe Extrusion machine/PVC Pipe Extrusion machine

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