One of the activities of Sigma Invest ltd is full gas engineering, which includes several phases:

1.           Research: a visit from our team in order to inspect the property, estimate of the distance from the existing buildings, opportunities for the construction of gas installation and positioning of future delivering platforms / trailers /.
2.           Design: performed by specialized designers, working primarily in the field of compressed natural gas;
3.           Development of complete gas installation, which includes:
   1.           Production of gas regulating station for decompression of gas from 200 – 15 – 4 bar and from 4 – 0,3bar. „Sigma Invest“ Ltd. is the first company in Bulgaria, which owns the full quality assurance module H1 with design examination and special surveillance of the final assessment. Our production meets the requirements of Directive 97/23 / EU introduced by the Ordinance on the requirements and conformity assessment of pressure equipment. The company also owns and CE certificate of EU design examination – module B1.
   2.           Construction of gas pipeline routes, but equipment boiler rooms / if any /;
4.           Testing and commissioning of the gas installation;
5.           Training the staff to work with the equipment.