​Blangstrupvej 71, DK-5610 Assens Denmark


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Doing business with invenstar
Our core Business as a System Supplier is to manufacture, assemble and deliver Industrial Products, Projects and Kit Sets World Wide, to our Key Customers.

About us
The Invenstar Group is a privately held "Company" based in Assens-Denmark with factory in HCMC-Vietnam and subsidiaries in Spain and Australia. The company is owned by the Starup-Tran family who founded it in 2004.

​​EN1090-2 ISO3834



Our Competences

​We hope you had a good time surfing our home page. We are still a young company group and today we have earned our position as a flexible, competitive and reliable partner for our Key Customers. Our Competence are many, but more important we are adding more every day simply to meet our Customers never ending requests involving changes to existing products, new products cost savings, better quality and on-time.​

Its is a challenging environment and we are encouraged and committed to serve our Customers with whatever we have and whatever is needed to make them succesful. Below we have shown some of our processes and maschinery and other relevant information, but the most important asset we have is a lot of loyal, friendly and skilled people with whom we have worked with for many years. They understand not only how to run our mashines, make the bes use of our ressources but they have a extensive understanding of what our Customers expect from us.

Our Compences

Our manufacturing company Vietdan Ltd. is ISO9001-2008 Certificed since 2007 and TUV certificed according to EN1090-2/ISO03834-3 since 2014.

We are a company focussing on good quality, on-time delivery and close dialog with our Key Customers. They should feel that our workshop is also their workshop.


To have hands on all we do, we strive to have most competences inhouse such as welding, bending, punching, cutting, rolling, tapping, drilling, milling, turning, assemblind and more.


We use only heigh quality materials purchased from our local key suppliers or imported from certified suppliers.

Surface treatment

We have many years of comprehensive experience in achieving high quality of surface treatment as we follow and supervise our qualified sup-suppliers.

  • Hot Deep Galvaning (HDG) ISO1461
  • Z275 hot deep pre-galvanized plates
  • Other pre-galvanized sheets
  • Electrogalvanizing
  • Powder Coating
  • Sandblasting SA2½ and wet painting


Inhouse: 2-3-4 meter​

External: up to 12 meter


Inhouse: drilling up to 70 mm, tapping up to M40

Process Cutting

Inhouse: CNC flame/plasma

External: laser.


Inhouse: CNC and manuel punching. 100 tons

External: 400 tons


Inhouse: manual mililng / turning maschines

External: cnc turning / milling


Pre-galvanized plates. Coils slitted in any width. We cut on length ourselves direct from coils. z275/z120/black steel etc.


Inhouse: ISO3834 certified MIG/MAG, electrode TIG.

Mechanical cutting

Inhouse: 3 meter and small bracket cutting.

External: 6 meter and coil slitting


Comprehensive experience in KitSet packing and product assemblies


Steel plates from thichness of 0.5 up to 80mm s355/s235 with 3.1 / EN1090 certificate, JIS ss400, Aluminium / AISI3044 / 316, extruded aluminium.

Surface treatment external

Hot deep galvanizing ISO1461, electro-galvanizing, powder coating / pre-galcanized plate sandblast SA 2½ and wet paiting.


We assist our customers to improve products and achieve savings. We make and test prototupes, we find new solutions and provide 3d/2d assistance

​Invenstar ApS

Blangstrupvej 71

DK-5610 Assens


Invenstar components, SL

Av. Diagonal 468, 6 a planta puerta A

ES-08006 Barcelona


Vietdan Ltd.

D20/532K Nguyen

Van Linh. Binh Chanh

Ho Chi Minh City


Invenstar Pty Ltd. Australia

Suite 23
4 station street
fairfield nsw 2165