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As a creative and agile Iranian holding in the bitumen industry, DEJPA is among the first three producers in Iran with an export market, focusing on the field of bitumen and mulch. It is also known as a leading company in the field of technical and engineering services in the oil refining, bitumen and mulch industry, and it has made successful entries in the field of oil refining as business opportunities for the coming years.
Taking the lead in gaining market share in the current chain through increasing productivity, intelligence and innovation in supply, production and sales methods, as well as entering the oil refining chain in order to learn and build strategic capacity for the future of business.
43 YEARS OF COUNTINUES ACTIVITY IN BITUMEN PRODUCTION.
 
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Bitumen Packaging and Shelf Life: How Storage Conditions Affect Product Quality

Bitumen Packaging and Shelf Life: How Storage Conditions Affect Product Quality

Bitumen does not have one universal shelf-life period. Its condition during storage depends on factors such as temperature, exposure to air, contamination, packaging integrity and product type. This guide explains how proper storage and packaging can help protect bitumen quality before use.
August 08 2026 More
Bitumen Export Packaging Guide: Bulk, Drums and Jumbo Bags

Bitumen Export Packaging Guide: Bulk, Drums and Jumbo Bags

Learn how to choose the right bitumen export packaging method. This guide compares bulk bitumen, drums, and jumbo bags based on transportation, storage, handling, and international supply requirements.
August 03 2026 More
Bitumen Grades Selection Guide: How to Choose the Right Grade for Your Project

Bitumen Grades Selection Guide: How to Choose the Right Grade for Your Project

Selecting the right bitumen grade is critical for asphalt pavement performance and durability. This guide explains the differences between penetration grades such as 40/60, 60/70, and 80/100, as well as Polymer Modified Bitumen (PMB) and Performance Grade (PG) systems, helping buyers and engineers choose the most suitable binder based on climate, traffic, and project requirements.
July 25 2026 More