About Us | DEJPA Oil & Bitumen Refinery Co.
Over Four Decades of Experience, Innovation, and Commitment to Quality
DEJPA Oil & Bitumen Refinery Co.
is an established Iranian bitumen manufacturer with
more than 40 years of experience in petroleum refining and bitumen production.
With a foundation built on technical expertise, manufacturing capabilities,
skilled professionals, and a strong commitment to quality standards,
DEJPA continues to advance its technologies, enhance product quality,
and strengthen its presence in domestic and international markets.
In 2026, DEJPA achieved several important milestones, including recognition as a
National Exemplary Production Unit,
the award of an
A+ Technical Certificate for Performance Grade (PG) bitumen,
and official recognition as a
Knowledge-Based Company in the Innovator category.
These achievements reflect the company's continued focus on industrial development,
innovation, and quality excellence.
DEJPA Awards, Certifications & Achievements
Quality, Technical Expertise, and Innovation
Throughout its industrial development, DEJPA has placed product quality,
technical advancement, and innovation at the center of its business strategy.
The company's achievements in 2026 demonstrate the results of this approach
across manufacturing, quality assurance, and technological development.
National Exemplary Production Unit | 2026
During the official World Standards Day 2026 ceremony,
DEJPA Oil & Bitumen Refinery Co. was recognized as a
National Exemplary Production Unit
following specialized evaluations conducted by the
Iran National Standards Organization (INSO).
The recognition was presented at the International Conference Center
in Tehran, where DEJPA received an official award trophy
and certificate of recognition.
This national achievement reflects the company's performance
in product quality, compliance with applicable standards,
and commitment to manufacturing excellence.
Awarding Organization:
Iran National Standards Organization (INSO)
Year:
2026 (1405)
View Award Details →
A+ Technical Certificate for Performance Grade Bitumen
In 2026, DEJPA received an
A+ Technical Certificate
from the
Road, Housing and Urban Development Research Center
for specified Performance Grade (PG) bitumen products.
The certificate was issued following technical assessments
conducted in accordance with the evaluation procedures
established for bitumen manufacturing units.
Certified Performance Grades:
PG 58-16 |
PG 58-22 |
PG 64-16 |
PG 64-22 |
PG 70-10 |
PG 70-16
This technical certification represents an important achievement
in the evaluation of DEJPA's Performance Grade bitumen products,
which are designed for road construction applications
under different climatic and performance requirements.
Issuing Authority:
Road, Housing and Urban Development Research Center
Issue Date:
April 13, 2026
View A+ Technical Certificate →
Knowledge-Based Company | Innovator Category
In 2026, DEJPA Oil & Bitumen Refinery Co.
successfully completed the official evaluation process
and was recognized as a
Knowledge-Based Company in the Innovator category.
This recognition was granted within the technology field of
Advanced Materials and Chemical Technology-Based Products
by Iran's Working Group for the Evaluation of Knowledge-Based Companies and Institutions.
The recognition represents an important step
in strengthening DEJPA's technology-driven capabilities,
supporting innovation, and advancing specialized industrial development.
Evaluating Authority:
Working Group for the Evaluation of Knowledge-Based Companies and Institutions
Classification:
Innovator
Approval Date:
June 7, 2026
View Knowledge-Based Company Certificate →
Our History | Four Decades of Experience and Trust
DEJPA Oil & Bitumen Refinery Co. was founded
by the late Engineer Hassan Sheykhi,
whose vision and commitment laid the foundation
for the company's development in petroleum refining
and industrial manufacturing.
Over more than four decades, DEJPA has continued to grow
through investment in production infrastructure,
the development of technical expertise,
and improvements in quality control processes.
Guided by its core values of quality, responsibility,
and continuous development, the company has established
a recognized presence in Iran's bitumen industry
and international markets.
Today, DEJPA builds on the legacy of its founder
and the collective efforts of generations of managers,
engineers, and employees to further strengthen
its industrial capabilities and manufacturing expertise.
Growth, Technology & Innovation | Beyond Manufacturing
At DEJPA, innovation extends beyond the development
of new products. It also involves improving manufacturing processes,
enhancing product quality, advancing technical knowledge,
and responding to the specialized requirements of different industries.
Through its technical capabilities and industrial expertise,
DEJPA offers a diverse portfolio of products
designed to serve domestic and international markets.
Our Main Areas of Expertise
Road Construction and Industrial Bitumen:
Manufacturing bitumen products for a wide range of road construction,
infrastructure, and industrial applications.
Performance Grade (PG) Bitumen:
Producing performance-graded bitumen designed for road construction
projects under varying climatic conditions and technical requirements.
Specialized Petroleum Products:
Manufacturing and supplying products associated
with the petroleum refining industry.
Soil Stabilization Solutions:
Developing and supplying specialized mulch products
for dust control, soil stabilization, and applications
aimed at reducing the effects of desertification.
DEJPA's recognition as a Knowledge-Based Company
in the Innovator category in 2026 marks an important milestone
in its technological development and reinforces
the role of specialized knowledge and innovation
in the company's long-term strategy.
Quality & Standards | A Commitment Beyond Production
Quality is one of the fundamental principles
guiding DEJPA's manufacturing and industrial operations.
The company emphasizes compliance with applicable technical requirements,
product quality control, and continuous monitoring
of manufacturing processes to deliver reliable products
that meet customer expectations and relevant standards.
In the bitumen industry, technical properties play a critical role
in determining product performance.
Attention to product specifications, specialized laboratory testing,
and manufacturing process control are therefore essential
to achieving consistent quality.
DEJPA's recognition as a
National Exemplary Production Unit in 2026
and the award of an
A+ Technical Certificate for Performance Grade bitumen
represent two significant milestones
in the company's commitment to quality
and technical standards.
For DEJPA, continuous quality improvement
is more than a manufacturing requirement.
It is an essential part of the company's professional responsibility
toward its customers and business partners.
Global Presence | From Domestic Production to International Markets
With more than four decades of experience in the bitumen industry,
DEJPA has expanded its commercial activities beyond Iran's domestic market,
making international business development
an important part of its growth strategy.
With a history of supplying products to
more than 20 countries worldwide,
DEJPA continues to pursue international partnerships
and serve the requirements of industrial and commercial customers.
Its diverse product portfolio, manufacturing capabilities,
technical expertise, and focus on quality
have contributed to the company's presence
in international markets.
By understanding the technical requirements of target markets
and responding to customer expectations,
DEJPA aims to establish reliable, long-term relationships
with buyers, suppliers, and international business partners.
DEJPA's objective is to deliver reliable, quality-focused products
while developing sustainable, long-term business partnerships
in domestic and international markets.
Today & Tomorrow | Technology, Sustainability, and the Future of Bitumen
Today, DEJPA is more than an established bitumen manufacturer.
As an industrial and officially recognized knowledge-based company,
it places quality, technology, and innovation
at the center of its development strategy.
By combining decades of industrial experience
with technical knowledge and skilled professionals,
DEJPA continues to develop its products,
improve manufacturing processes,
and strengthen its competitive capabilities.
The company's recognition as a
National Exemplary Production Unit in 2026,
its
A+ Technical Certificate,
and its official
Knowledge-Based Company approval in the Innovator category
represent important milestones in its industrial
and technological development.
Guided by its core values and a forward-looking approach,
DEJPA remains focused on technological development,
continuous quality improvement,
and strengthening its position
in domestic and international markets.
DEJPA — Over Four Decades of Experience,
Committed to Quality, Driven by Innovation.