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

Jiaxing Zhe Gong CNC Welding Machine Co., Ltd. also known as ZGTEK Co., Ltd. is located in Jiaxing City, Zhejiang Province, it's a partly state-owned enterprise. Currently the two focused areas of the company is filter cage welding and automatic wire ring making, the former is the traditional business of the company and the latter is the new market sector that the company has entered in recent years. Today the company's filter cage welding line is already of the 5th generation with all the advanced features such as bad weld detection, auto reweld, ring space compensation, etc. The ring making machines are of the 3rd generation with automatic size change, customizable welding parameters for different ring materials, etc. ZGTEK's ring making machines cover a lot of applications.

After decades of effort, ZGTEK is now the leading supplier of filter cage welding machines of the world by providing a wide range of product portfolio from a stand alone machine to a whole automated line, with best-in-class flexibility, quality and cost-efficiency, resulted from our concentration and expertise in this area. As of end 2013, the company has 50 employees and covers a floor area of about 5000 square meters.

Main Products

1. Filter cage welding lines

  • Cage welding machine for round, oval, star or other shapes (DLN series)
  • Top collar welding machine(DS series)
  • Bottom cap/pan welding machine (DX series)
  • Ring making machine (R series)
  • Butt welding machine (UR series)
  • Venturi tube welding machine (DW series)
  • Wire straightening machine (TZ series)
  • Bending machine (WB series)
  • Other assisting machines for cage welding


  • DLN Cage welding machines can weld mild carbon steel, galvanized steel and stainless steel directly.
  • High speed: e.g. for cages of 24 wires and 6 meters long, average output is 25pcs per hour.

2. Ring making machines

  • Round ring making machine (RM series)
  • Oval ring making machine (OR series)
  • Automatic ring making and welding machine (R series)

Our Mission

In every corner of the globe, we help customers create value.

Core Value

  • Concentration
  • Professionalism
  • Integrity

Customer Base

In China, more than 95% domestic market share. We also have a long customer/reference list in the world, have sold to more than 40 countries.


The company was previously operated in Science and Creative Building on Chengnan Road, later moved R&D, Sales and Production base to No. 173 Xingyuan Road, which is located in Xinchen Industrial Zone, the main office remains on Chengnan Road.

Quality Policy

From day one of the company's operation, we put product quality as top priority, every machine has to be going through severe outgoing quality check before shipment. Today our machines are proven to feature high stability and reliability, the company has become a trustworthy supplier with the most complete product portfolio in filter bag cage welding industry.

We believe in "concentration generates results, professionalism leads to quality, integrity forges our brand". Concentration, professionalism and integrity is the quality we value the most in our employees and in our daily operation, it's rooted in company ethic and has become part of company culture, it is the way we have served customers of today, so will it be the way we serve you in the future.