About Us

The company started business as a Cast Iron Casting Manufacturer in 1994. Later on, the company was named On Top  Company Limited and has been in the business of designing and manufacturing Aluminiumm Die-casting & Extrusion, including CNC machining parts since then.
With more than 24 year of experience and 150 employees, we provide solutions to all Die-casting components depending on our customer's needs and are specializing in Precise CNC Machining, Surface Finish, Anodizing and Plating


Mission and Vission

With the commitment to sustainable development, Our Mission is to improve our customer satisfaction by delivering excellent services and high-quality products according to the product specifications and customer’s requirements.

Our Vision is to be a leading company in providing industrial products and services with international standards for successful local and global companies.

Our Core Business


Aluminium Die-Casting


Powder Coating

Anodizing Coating

Aluminium Extrusion

Injection Molding

CNC Precision Machining


Our Certificate

Our History

Ontops was founded in Hải Phòng

As a manufacturer of Cast Iron Casting and Aluminum Sand Casting

Partnership with a Taiwanese Die-Casting workshop

In order to develop a new factory in Honai, Dong Nai

Mass Production as an OEM

OEM Steering Wheel for Toyota, Taiwan LED Lighting for City Focus Korean, Worree and VietNam Distribution

New Extrusion Factory in Tam Phước Insdutrial Park, VN

Invest in New Powder Coating Line






2016 - PRESENT

Main Products: Casted parts (motor pulleys, agricultural
machinery components)
Customers: Kamaz, Vikino,
Vietnam Electricity (EVN)

Motorcycle parts for VMEP,
Suzuki, Honda and Hoa Lam

Specialization in LED Motor, Furniture
& Car Components
Customers: Woree, Bonfiglioli,
Honda, Kotobuki

New Product line: Fence – Railing
– Balcony for UltraLox, MN, US

Electrical parts for Siemens,
Sanyo, Thiet bi dien