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CCR Reactor


ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. team work with Cat-Tech for mechanical Reactor internal parts removeall Center pipe, Center pipe support to repairing and re-installation. This installation must complete and handover back to client in 17 days.

Remove and cleaning burner tips of fired heater


Our manager and leader team work with RENEWCOILS ENGINEERING & SUPPLY CO.,LTD for remove & re-installation ,cleaning and inspection burner tips of refinery fired heater.

Overhaul Generator Machine


Our team work with BST for overhaul generator (Caterpillar). We have to open cylinder head ,change lube oil and all part for maintenance cycle.

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Shutdown Maintenance 

Our Team consists of well experienced, highly qualified and dedicated work force and with highly sophisticated equipment. Nature of works: Major shut down jobs in Oil & gas plants, Petrochemical industries. 

How we work: Do any kind of shutdown & overall works in very safe, efficient, well in advance & to entire satisfaction of our clients. Asss provides complete team for Plant Shutdown Services for Petrochemicals, Oil & Gas industries, etc. Plant Shutdown Team provides services for following Area :  

vMechanical Maintenance( Rotating and Stationery Equipment) ·

vIndustrial Cleaning Services 

vPSV Removal and Reinstallation Services

vElectrical Maintenance Services including Relay and Protection, Substation Maintenance, MCC, Transformer and Field Electrical Etc. 

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Online Leak Sealing & Repair


ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. has highly skilled and experienced engineers & technicians to offers online leak sealing & repair. We have fully tools & equipment for stop leak under high pressure /high temperature condition. We have to training about online leak sealing & repair for all technicians ,to ensure that the work done on high quality ,high performance and customer satisfaction in the work.

Re-Tubing of Heat Exchanger ,Cooler & Condenser Tubes


ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. has highly qualified, skilled and experienced engineers ,inspectors & technicians to offers replacement of tubes in heat exchanger, coolers and condenser tube. We have fully tools & equipment for removal of old tubes, surface preparation of tube sheets, inspection, insertion of new tubes, tube expansion or tube to tube sheet welding to the standard or depending on the customer's requirement.

Skill Manpower Supply (Management ,Inspector Skills Worker and Qualified Welders)

ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. has highly qualified manage employees and subordinates, working in a team or individually, to maximise their performance and contribution. Schedule their work and activities, give instructions, motivate and direct the workers to meet the company objectives. Monitor and measure how an employee undertakes their responsibilities and how well these activities are executed. Identify areas for improvement and make suggestions to achieve this. Lead a group of people to help them achieve goals and maintain an effective working relationship among staff.

Dry ice
Sand Blasting and Dry Ice Cleaning

Dry ice blasting is a non-destructive method of safely cleaning surfaces and/or removing unwanted coatings such as paint or rust; and most commonly used for industrial and commercial applications with dry ice as the cleaning media. Dry ice is the solid form of carbon dioxide at temps of (−78.5 °C; −109.3 °F).

In very basic terms, the process involves "blast cleaning" a surface with compressed air, and dry ice particles, usually in the form of dry ice pellets. The combination of pressurized air and the presence of dry ice (CO2 pellets) in the blast stream, creates an explosive sublimation. This chain reaction allows for cleaning an intended surface in a non-destructive way, making dry ice blasting a preferred cleaning process when compared with other media blasting methods; such as glass bead, plastic bead, or sand blasting.

Equipment Removal and Reinstallation Services

If you are remodeling or moving, expanding or starting from scratch, we can help clear the slate. Moving out unused, damaged or outdated equipment should be done with safety and expertise. Whether you want the equipment demolished and put into scrap containers or dismantled for another use, ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP.  can help with commercial equipment removal.

ChemicalTanks Cleaning


ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. focus on Chemical Tanks cleaning to Removal disposal of sludge service. In the past, our manager has more experiences on this way. From the past our number of clients in Thailand such as PTT EP including a number of clients in Oversea such as Vietnam Oil & Gas Refinery.

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Hydraulic Bolt Tensioning offers the quickest, safest, most accurate means of applying a specified residual load to stud bolts. It can be used to easily achieve an accurate and predetermined bolt loading in a single, simultaneous operation, providing the uniform gasket compression essential for the integrity of critically bolted connections in a wide variety of top-side applications such as: ·

vpipeline flanges 

vheat exchangers  

vpressure vessels 

vanchor bolts 

  ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP.  has substantial experience in providing precise calculations of the correct bolt load to be applied; ensuring and accurate residual load is imparted to bolts, no matter which simultaneous tensioning procedure is used.

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Mechanical Engineering 

By focusing on supporting the ever increasing need for expert mechanical engineering services, ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. carries projects in the areas of pipeline engineering, plant assembly, scheduled and unscheduled maintenance and plant shutdown services. Supported by its own comprehensive fabrication facilities, ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. also undertake diverse mechanical engineering works. Backed up by a quality control and quality assurance inspection team ASSS SERVICES AND SUPPLY LIMITED PARTNERSHIP. ensures that all works complies with international standards and codes of practice. 

Mechanical Maintenance of Rotating Equipment (Pump ,Generator , Air Compressor ,Fire Pump ,Main Engine etc.)


Rotating equipment mechanics are responsible for preventive and corrective maintenance activities for rotating equipment such as turbines, compressors, engines, and pumps. They ensure the availability and integrity of the installed systems and equipment in terms of safety and reliability.

Catalyst Handling & Reactor Services


Our catalyst and reactors service includes unloading of used catalyst with vacuum units, screening of catalyst into fractions, loading of catalyst by dense loading or sock loading method.

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PRESSURE TESTING Pneumatic Testing & Hydrostatic Testing 

Pressure tests are a non-destructive way to guarantee the integrity of equipment such as pressure vessels, pipelines, plumbing lines, gas cylinders, boilers and fuel tanks. It is required by the piping codes to confirm that a piping system is able to bear its rated pressure and it has no leaks.

Automotive & Heavy Equipment maintenance

Heavy equipment maintenance involves an understanding of all the systems found on large, motorized machines, such as bulldozers, cranes or backhoes. Heavy equipment may include hydraulics, large diesel engines and many moving parts and thus require specialized maintenance and repair techniques.