Draft:Dejpa
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Dejpa Oil and Bitumen Refinery Company is a privately held Iranian company involved in the production and supply of bitumen. The company is registered in Tehran, and its production site is reported to be near Hasanabad in Tehran province.[1]
History and operations
[edit]According to the company's official website, Dejpa began operating in 1983 and was founded by Hassan Sheikhi.[2] Corporate notices published in the Iranian press identify the legal entity as Dejpa Oil and Bitumen Refinery Company, a private joint-stock company registered under number 51009 and national identifier 10100961681.[3] An Official Gazette notice published on 5 January 2020 records the change of the company's name from “Towlidi Boshkeh va Ghir Sanati va Asphalt Rah Dejpa” to “Palayesh Naft va Ghir Dejpa” (Dejpa Oil and Bitumen Refinery Company).[4] The company states that it has supplied products to more than 20 countries; this figure has not been independently verified.[2]
Management and public events
[edit]An October 2023 report by Farda-ye Eghtesad stated that the company organized the third National Value Bitumen Conference, focused on technical knowledge of bitumen, and identified Vahid Sheikhi as Dejpa's chief executive officer.[5] In August 2017, the Iranian Oil, Gas and Petrochemical Products Exporters' Union reported that Vahid Sheikhi of Dejpa Bitumen had been elected chair of the union's Bitumen Commission.[6] The Iranian Oil, Gas and Petrochemical Products Exporters' Union listed Dejpa among the sponsors that received a commemorative award at the union's sixteenth annual conference in October 2023.[7]
Products and quality assessment
[edit]Products listed on the company's website include paving and industrial bitumen, penetration-grade bitumen, performance-grade bitumen, polymer-modified bitumen, bitumen emulsions, cutback bitumen, hydrocarbons, and petroleum mulch.[8]
According to the company's quality-control description, its bitumen emulsions undergo standardized laboratory testing and application-specific testing, including procedures for anionic and cationic emulsions.[9]
The public technical-certificate register of Iran's Road, Housing and Urban Development Research Center lists Dejpa Oil and Bitumen Refinery Company (national identifier 10100961681) for performance-grade bitumen PG 58-16, PG 58-22, PG 64-16, PG 64-22, PG 70-10 and PG 70-16, with a listed validity date of 23 Farvardin 1406.[10] The certificate image attached to that public record labels the rating as A+.[10] In announcements published in 2024 and 2025, the National Standards Organization of Iran listed the company, under its former or current name, among sample production units of Tehran province.[11][12] The company's website also lists ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 among its stated certificates and honours; the page does not provide a separate certificate number, issuing body or validity date for each item.[13] The public knowledge-based companies dashboard also lists the company, using the same national identifier, in Tehran with the status "Innovative" in the advanced materials and chemical-technology-products field; its displayed confirmation date is 17 Khordad 1405.[14] A 1402 report by Iran's Nanotechnology and Microtechnology Development Headquarters lists Dejpa Oil and Bitumen Refinery Company as the innovator for a project titled “Production of nano petroleum mulch for combating dust storms and soil stabilization”; the report records support for obtaining permits from the National Dust Control Headquarters and the Natural Resources Organization.[15] Dejpa is also named in bitumen supply notices published by the Iran Mercantile Exchange.[16][17]
In a report published on 19 May 2014, the Islamic Republic News Agency (IRNA) listed offers of 1,000 tonnes of 60/70 bitumen and 1,000 tonnes of 85/100 bitumen by a company named Rah Dejpa Bitumen and Asphalt Barrel Manufacturing Company in the export hall of the Iran Mercantile Exchange.[18] ISNA also listed an entity identified as “Towlidi Boshkeh va Ghir Sanati va Asphalt Rah Dejpa” among bitumen suppliers in the exchange’s export hall on 7 May 2013.[19] In May 2011, Bourse News, citing an interview by Fars with the technical and admissions secretary of the Iran Mercantile Exchange, reported that Dejpa Bitumen Company had submitted an application for admission to the exchange.[20] Bourse24, citing the Iran Mercantile Exchange public-relations office, also reported an offer of 2,000 tonnes of bitumen by an entity named Rah Dejpa Manufacturing Company in the export hall on 15 April 2014.[21] Mehr News Agency also listed Rah Dejpa Bitumen among companies that jointly traded 4,400 tonnes of bitumen for export in the exchange's export hall during the 2014 Nowruz period.[22] On 13 November 2024, the Kerman provincial office of Iran's Natural Resources and Watershed Management Organization reported that Dejpa Oil and Bitumen Refinery Company participated in a national bio-mulch gathering in Bam, alongside Natural Resources Organization officials and specialists.[23] Rasmio, a corporate-data service that identifies Iran's government procurement portals as its underlying sources, lists two public contracts for Dejpa: a 22 May 2022 contract to supply petroleum mulch for stabilization of damage-causing sandy areas for Iran's Forests, Rangelands and Watershed Management Organization, valued at 127.5 billion rials; and a 19 January 2025 contract to supply, load, transport and unload PG70-10 bitumen and CRS-1 emulsion for Semnan Municipality, valued at 75.3215 billion rials.[24]
A 2024 research paper on the viscoelastic properties of bituminous composites acknowledged assistance from Dejpa Bitumen Manufacturing Company.[25]
References
[edit]- ↑ "Dejpa Oil and Bitumen Refinery company profile", Iran Estekhdam. Retrieved 1 August 2026.
- 1 2 "About Us", Dejpa Oil and Bitumen Refinery Company. Retrieved 1 August 2026.
- ↑ "Notice of general meeting of Dejpa Oil and Bitumen Refinery Company", Abrar, 2020. (in Persian)
- ↑ "Notice of changes for Towlidi Boshkeh va Ghir Sanati va Asphalt Rah Dejpa", Official Gazette of the Islamic Republic of Iran, 5 January 2020. (in Persian)
- ↑ "Third National Value Bitumen Conference held", Farda-ye Eghtesad, 1 October 2023. (in Persian)
- ↑ "Chair and two vice chairs of the Bitumen Commission elected", Iranian Oil, Gas and Petrochemical Products Exporters' Union, 6 August 2017. (in Persian)
- ↑ "Sixteenth Annual OPEX Union Conference held", Iranian Oil, Gas and Petrochemical Products Exporters' Union, 18 October 2023. (in Persian)
- ↑ "Products", Dejpa Oil and Bitumen Refinery Company. Retrieved 1 August 2026.
- ↑ "Quality Control at Dejpa", Dejpa Oil and Bitumen Refinery Company. Retrieved 1 August 2026.
- 1 2 "Dejpa Oil and Bitumen Refinery Company", Road, Housing and Urban Development Research Center technical-certificate register. Retrieved 1 August 2026. (in Persian)
- ↑ "Sample standard units of Tehran province announced", National Standards Organization of Iran, 23 December 2024. (in Persian)
- ↑ "Sample standard production units of Tehran province announced", National Standards Organization of Iran, 3 November 2025. (in Persian)
- ↑ "Honours and opportunities", Dejpa Oil and Bitumen Refinery Company. Retrieved 1 August 2026.
- ↑ "Knowledge-based companies", public dashboard for evaluation and support of knowledge-based companies. Retrieved 1 August 2026. (in Persian)
- ↑ "Implementation report of the National Document for the Development of Nano Sciences and Technology and the Microtechnology Development Programme, 1402", Nanotechnology and Microtechnology Development Headquarters, 2023–2024, p. 161. (in Persian)
- ↑ "Supply notice", Iran Mercantile Exchange. (in Persian)
- ↑ "Supply notice", Iran Mercantile Exchange. (in Persian)
- ↑ "Several imported agricultural products to be offered on the commodity exchange", Islamic Republic News Agency, 19 May 2014. (in Persian)
- ↑ "145,000 tonnes of various bitumen offered in the Commodity Exchange export hall", Iranian Students News Agency, 7 May 2013. (in Persian)
- ↑ Private bitumen producers enter the Commodity Exchange, Bourse News, 8 May 2011; citing Fars News Agency. (in Persian)
- ↑ Supply of polymer materials by 12 petrochemical complexes in the Iran Mercantile Exchange, Bourse24, 15 April 2014; citing the Iran Mercantile Exchange public-relations office. (in Persian)
- ↑ Value of commodity-exchange transactions up 62 percent during Nowruz, Mehr News Agency, 4 April 2014. (in Persian)
- ↑ "National bio-mulch gathering held in Bam", Kerman Provincial Office of Iran's Natural Resources and Watershed Management Organization, 13 November 2024. (in Persian)
- ↑ Dejpa Oil and Bitumen Refinery Company, Rasmio, “Contracts” section. Retrieved 8 August 2026. (in Persian)
- ↑ "Multi-scale measurement of constitutive viscoelastic properties of bituminous composites considering moisture and deicing conditions", Case Studies in Construction Materials, 2024.
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