About us



  • 2003: Establish the welding and cutting technical services group.

  • 2004: Install and transfer CNC oxygen-plasma cutting system at Ha Long Shipbuilding Company;

  • 2005: Install and transfer underwater CNC plasma cutting system at Bach Dang Shipbuilding Corporation;

  • 2005: Install and transfer column-pole welding system at Nam Trieu Shipbuilding Industry Corporation.

  • 2008: Install and transfer column-pole welding system to Polytechnical Mechanical, Thermal, Electrical And Refrigeration Engineering Company Limited (POLYCO).

  • 2009: Establish Tecnovi Joint Stock Company.

  • 2011: Establish a plant to manufacture precision mechanical products, jigs, and molds

The company's core business areas include:

  • Specialize in designing and manufacturing precision mechanical products.

  • Design, process, and manufacture industrial machinery: CNC plasma cutting machines, gate welding machine, mesh welding machines, automatic painting booths, automatic drying chamber, etc.

  • Specialize in designing and manufacturing molds.


  • VN-J has a team of professional, experienced, highly qualified, dynamic, and enthusiastic staff. They always try to learn more experience, warm, and attentive to customers and participated in large projects in domestic and foreign companies.

  • A complete, synchronous, and good-quality machinery and equipment system (CNC milling machines, CNC lathe, universal milling and turning machines, flat grinding machines, round grinding machines, hole grinding machines, wire cutting machines, electric dischargers, test mold testing presser, hardness tester, 2D coordinate measuring machines, 3D measuring machine...) to ensure that the operations are closed and meet the production schedule.