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ZGTEK, the only one in the world specialized in filter cage welding technologies and the only one in China capable of supplying automatic ring making machines!

ZGTEK "Cage welding machine line" is used to make filter bag cages, which used in dustcollector (baghouse) to support filter bags / bag filters. ZGTEK is a professional manufacturer, only focus onmanufacturing cage welding machine line and developing the technologies.

Machine’s feature: CNC control; Ring space is programmableand cage is pulled by step motor; Ring space precision is 0.1mm; Pulling speed is 0.4m/s.


ZGTEK provides leading technologies in filter bag cage welding industry, from a stand alonemachine to a whole automated line, with world class flexibility, quality and cost-efficiency.


1. The six machines are basic configuration of a cage welding line.

1) 16 or 24-vertical wires cage body welding machine DLN-24/DLN-16,

2) Ring making machine R-6-300 / RM-6-310,

3) Air-operated butt welding machine UR-40,

4) Top collar welder for filter cage DS-80,

5) Bottom cap welder for filter cage DX-80,

6) Wire straightening machine TZ2.8-5,


  1. Type of cage: Round cage, Oval (flat) cage, Star cage, Split cage, etc.

      Cage size: OD100-200mm

      Material: Mild steel wire, Stainless steel wire, Galvanized carbon steel wire, Titanium steel wire, etc.

      Sizes of steel wire: 2.8-6mm 


    3. Requirements of one complete production line:

    1) Workshop area: 10m*20m

    2) Power capacity: 45-50KVA

    3) Workers: 5 people for a running line


    4. Output

    For example: Filter cage: 24 vertical wires * 6000mm Length, Ring distance: 50-200mm.

    Daily output: 25pcs/hour, 250pcs (10hours/day) 

    Annual output: 70000pcs (280days) 


    ZGTEK is well-known as the “Expert of cage welding technologies”, is very famous not only in China, but also all over the world for its highlight performance, like, fast speed, stable, easy-operating, low maintenance, long life, most importantly, produce good quality cages, etc.


    ZGTEK cage machines have been used by more than 95% Chinese cage makers & have been exported to over 40 countries in different continents, like Europe, South and North Americas, Asia, Middle East, Africa, etc.  


    For more information, please feel free to contact us. Warmly welcome your honored company to come and visit us at your earliest convenience.  (P.S. ZGTEK is only 80KM away from Shanghai city, takes only 1.5hr by car)

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Contact Details

Contact person:cagewelder

Country:China (Mainland)



Street address: 173 xingyuan road





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