Customer focus,
Provide optimal products
A team of young, dynamic, creative and profession DYNAMIC, CREATIVE, ALWAYS INNOVATION arrow
Quality management according to ISO 9001:2008 Service from the heart RESEARCH AND UPGRADE THE LATEST TECHNOLOGY arrow Customer satisfaction drives our business Bringing customer satisfaction to the highest level PROVIDE OPTIMAL PRODUCTS AND SERVICES arrow Our clients’ trust is our most valuable asset Members are profession SAFETY - QUATITY - PROGRESS arrow
Our Clients’ Trust Is Our Most Valuable Asset

Commitment to Customers

Dear customers! Always aware that customers are the most important persons, deciding the future and development of the company, we always try, make efforts to bring the best products and services to customers. . In order to improve the reputation and responsibility to customers about products and services, Sigma Company commits to strictly implement the following:
Service from the heart
Optimal solution
Professional members

Products and Services

Prestige, Sigma brand are our goal


The generator is a backup power supply equipment for factory or building and where need to ensure the stability and urgency of the power source.


Transformer is the main equipment in transmission and distribution system, it is the most important in the power system. Transformer use everywhere in the power grid.

MV Panel

MV panels are switchgear, distribution and protection equipment in the medium voltage grid. it is widely used in factories, substations, buildings, airports...


UPS is a backup power equipment to maintain the operation of each electrical device in the event of power failure. it is widely used in factories, buildings, airports...


Construction and installation of electrical and mechanical systems of projects such as buildings, port, airports, shopping malls, factories, industrial parks...

Maintenance Service

Maintenance service for equipment, electrical - mechanical systems. Responding to customer service requests anytime, anywhere and in the fastest time.
Pride and prestige on every project done

Project Reference

Experience capacity

Human resources are the most valuable asset, the strength of Sigma. Solidarity - Creativity - Professional enthusiasm is the thought in each member and Sigma team. All agree for the development of Sigma and the community

In 2012, Sigma Company was officially certified ISO 9001:2008 by WQA Certification Organization (WORLDWIDE QUALITY ASSURANCE). This is the recognition of the international certification association UKAS (UK) for Sigma company in building and initially implementing a quality management system according to ISO 9001, version 2008.
Capable and enthusiastic members
Experience and creativity
Modern equipment
Certificate ISO 9001:2008