• Styrene and propylene oxide production: rectification unit in 1998, updated in 2006.
• Styrene and ethylbenzene production: rectification unit in 2008.

• Ethane-ethylene fraction separation plant.
• Rectification unit of the pyrolysis gas purification block.

OTS development for the PP production

OTS development for the Production of glycols

OTS development for:

• Ethylene oxide production plant: the reaction section, the node of heating organic heat carrier.
• The distillation of ethylene oxide unit, an intermediate storage.
• Warehouse of commercial ethylene oxide.
• Ethylene oxide production with the side production of monoethylene glycol.

OTS development for

• Hydrogen sulphide removing and crude oil stabilization plant;
• Fuel gas desulphurization unit;
• Low-, medium- and high-pressure compression unit

• OTS development for the Petroleum gas drying and purification unit;
• OTS development for Cascade refrigeration unit;
• OTS development for the Unit to purify petroleum gas from hydrogen sulphide and Sulphur production unit;
• Provision of services for maintenance and current repair of computer simulators at the facilities of "Tatneftgazpererabotka" Administration, PJSC "Tatneft".
• OTS development for the Raw gas compressor unit of "Tatneftgazpererabotka" Administration, PJSC "Tatneft".
• The development of OTS production facilities:
• "Technical re-equipment of the gas cleaning and drying unit"
• "Technical re-equipment of the low-temperature condensation and rectification unit" of the Minnibaevsky Gas Processing Plant (MGPZ) of the Tatneftgazpererabotka Administration.
• OTS development for the industrial-purpose facility "Technical re-equipment of the Cascade refrigeration unit" of the Minnibaevsky Gas Processing Plant (MGPZ) of the Tatneftgazpererabotka Administration.