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    1. Main activities of Promishlena Energetika Joint Stock Company, Yambol - General Information:
    According to the court registration the main activity of Promishlena Energetika Joint Stock Company, Yambol is domestic and foreign production and engineering in the field of industrial and public power generation, as well as various legal economic and business activities. The shareholders of the company are 48 physical persons.
    The over 30 years experience give the company good opportunity for work in various power generation and heating projects in the field of:
    - erection and reconstruction works on heating surfaces working under high pressure;
    - construction of working surfaces working under pressure and construction of steam traps;
    - engineering of reconstruction, modernization, inside gas service installation as well as construction of new heating installations;
    - supply, installation and commissioning of gas burning systems;
    - maintenance of industrial and public boilers;
    - measurement of NO2, NO, SO2, CO, soot emissions, technical and ecological set-up of the burning process; - Control of pipelines, gas systems and gas installations, pressure vessels, high and low pressure boilers, machines, equipment and accessories – basic metal and welded connections by the non-destructive method, and ultrasonic method – thickness, Brinell and Rockwell hardness.

    During all the time of its existence the company maintains and regularly authenticates its Work Permit for subcontractor’s projects pursuant to the Law for Products’ Technical Requirements/1999 and Regulations No. 15, 28, 29 and 30 and Safety Regulation for Gas-systems Operation/2004 of the State Agency of Metrology and Technical Surveillance. The company has been attested and licensed for work in the European Union in 1994 by the Union of Technical Surveillance Bavaria, Saksonia TUV - Bayern Sachsen, Germany as a company following European Standards for high-pressure vessels. Besides that, TÜV Bayern Sachsen issued a number of individual certificates to our welders for varied methods of welding. Since 2004 our welders were re-certified by TUV Rayland Bulgaria Ltd., Union for Technical Surveillance authorized for Bulgaria.

    In 2004 the company successfully passed certifying audit via TUV Nord Cert GmbH for the implementation of a quality control system following the requirements of ISO 9001:2000, and was given Certificate No. 78 100 6405 by the German organization. For more than 30 years the company maintains a stationary and mobile laboratory unit for nondestructive tests and laboratory unit for mechanical testing of metals, both authorized by Certificate No. 179 ÎÊÑ of the Bulgarian Standardization Agency, which since 2004 have been re-organized into Control Authority type “C” according to Bulgarian Standard No. EN 45004. This guarantees the quality control of the reconstruction works, raw material and the final production according to Regulations No. 15, 28, 29 and 30 and the Safety Regulation for Gas-systems Operation of the State Agency of Metrology and Technical Surveillance. The company provides its works with own services, and works directly with Bulgarian and foreign manufacturers. It maintains very good contacts with companies such as “THYSSENKRUPP MANNEX-GmbH”, “BENTELER-AG” and “FERONA A.S.” Praha OZ – Plzen. In the field of burning equipment, we are in direct contact with “WEISHAUPT” and “SAACKE”, Germany and “POWER FLAME”, “CSI”, “TODD”, “COEN” and “CENTEC”, U.S.A. With regard to the burning process automation control we have contacts with “SCHNEIDER”, “SIEMENS”, “FESTO”, “HONEYWELL”, “MAXITROL”, “ELSTER”, “DANFOSS”, “LANDIS/GIR”, etc.

    2. Total number of years of the company existence and major reorganizations and mergers.
    The company was established on the first of August in 1975 as an independent unit of the Energoremont District Company in the town of Galabovo on the basis of the technical personnel of the existing Edinstvo Steam Power Station in the town of Yambol. Since July first, 1979 the company is a self-dependant commercial enterprise in the structure of the existing Promishlena Energetika National Industrial Complex, Sofia established by the government Decree No. 23/79.

    In 1990 by Order No. 212/89 of the former Ministry of Economy and Industry the enterprise was transformed into a state company according to Decree No. 56/89, then according to Order No.70/29.04.1994 of the former Committee of Energy it was transformed into a privately owned joint stock company with a state owned property. With Order No. 102/13.07.1993 of the Chairman of the existing Committee of Energy privatization has been carried out in 1994.

    3. Specialized fields of company activities:
    3.1. Repair of steam heating boilers:

    The company has well established traditions in production and repair of units working under high pressure in Bulgarian power engineering and industry and abroad. The company acts especially in Maritza Iztok power stations as far as production of components for work under high pressure is concerned, their repair in factory conditions and takes part in the repair of the steam boilers themselves as well in the power stations Brikel, Maritza East-2, Maritza East-3 and Maritza-3. The volume of work carried out in these power generation stations is over 50 % of the total company production.

    Our clients of many years are also the power generation stations for the central heating in the towns of Yambol, Sliven, Bourgas, Shoumen, Vratza, Pleven, Razgrad, Plovdiv, Kazanlak, the Low-weight Paper production plant in the town of Belovo, Non-ferrous metal processing plant in the town of Plovdiv, Agrobiochim - Stara Zagora, Cumerio Med - Pirdop, Cellulose Paper Production Plant in the town of Stamboliiski, Kremikovtzi - Sofia, Lukoil Neftochim Bourgas, Kotlostroene – Sofia etc.

    No any claims have been placed so far with regard to the quality of the manufactured heating surfaces and repairs. Company has adequately qualified personnel of over 120 persons. We have 30 welders qualified for pipe welding, 7 for welding sheet material, and 4 for welding structures. Eleven persons among above welders have a pipe welding qualification degree for a number of welding methods.

    In 2003 the company carried out an overhaul repair on boiler 50 Gcal of “Toplana” central heating station in Pristina, Republic of Serbia and Montenegro as a bidder of EU project. The major part of its personnel works for the company for over 20 years and has considerable professional experience.

    Due to the experience of its personnel the company is able to carry high quality repair works meeting all the requirements of Regulations No. 15, 21, 28, 29 and 30 and Safety Regulation for Gas-systems Operation of the State agency for Metrology and Technical Surveillance.

    3.2. Gasification:
    One of the company’s activity main direction is the co-operation with German and American companies for the gasification of water heating boilers type 20, 35, 50 and 75 tons per hour as well as gasification of water heating boilers having power capacity of 50 and 100 Gcal in the district heating companies and the thermal stations of the industrial plants. Gasification of boilers up to 12 t/hour is carried out in cooperation with “Spartak” AD – Bourgas and “Ecoklima” AD – Bourgas. Especially efficient for our customers is the reconstruction of the existing Bulgarian burning systems to operate on natural gas. We also offer delivery of burning systems for these boiler types, directly imported from the USA, Germany, Italy, Czech Republic and Finland.

    The company has gasified so far over 600 boilers and technological furnaces in the towns of Ruse, Yambol, Lovech, Razgrad, Stara Zagora, Pazardzhik, Parvomay, Sliven, Montana, Nova Zagora, Popovo, Isperih, General Toshevo, Peshtera, Sevlievo, Bozhurishte, Bankia, Kiustendil, Petrich, Varna, Pavlikeni, Novi Pazar, Asenovgrad , Bourgas, Kameno, Butovo, Zlatna Panega etc.

    3.3. Maintenance on a subscription basis:
    The company has a considerable experience in the maintenance of the equipment of the steam power generation plants in the field of the industrial and public sector and maintains over 200 boilers throughout the country for more than 20 years.

    3.4. Ecology: The company has more than 25 years of experience in carrying out thermal tests and technological set-ups of industrial power generation equipment .

    3.5. Utilization Plants: The company has over 20 years of experience in the construction of utility plant types KUPD, KPU and KUBB, for varied boiler types, as well as for the boiler types PKM, PKN and PKG manufactured by Kotlostroene AD - Sofia.

    In 2003 the company designed, manufactured and successfully entered into operation a membrane boiler generating steam 15 tons per hour with steam parameters 40 bar and temperature 220ÎÑ in “Lukoil Neftohim Burgas” AD.

    In 2004 the company designed, constructed and successfully entered into operation special boiler burning wooden briquettes and having capacity of 2 MW at 6 bar working pressure.

    3.6. Design:
    Besides traditional design of boiler stations company also designs gasification of thermal units. Company offers decisions on PLC based operation of units burning fuel in more than one burner.

    3.7. Production of steam traps:
    For more than 20 years the company is the only Bulgarian manufacturer of bimetal steam traps according to Bulgarian National Standard 7496-89. For more than 25 years we manufacture float steam traps as well according to the above BNS.

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