CN Co., Ltd. (CNI) is a leading engineering and construction firm of Pressure Vessels and Complete Integrated Pressure Systems in Vietnam. We provide a full range of services complying with the international standards and customize every project to meet clients' specific requirements.

To ensure objective and accurate project quality inspection, we work with recognized international inspection firms including ABS Group, Lloyd’s Register, Germanischer’s Lloyd, Bureau Veritas and SGS.

High Quality

Our products are strictly in accordance with recognized international standards, including the ASME Code, and inspected by reputable third parties.

Cost Efficiency

We allocate resources optimally to serve our clients in the best way while minimizing waste and inefficiency.

Schedule Certainty

We have the commitment to deliver our products and services on time.


The company has the flexibility to carry out a project at any given point or throughout its lifespan, from Engineering, Procurement, Fabrication, Erection to Commissioning.


Each of our item/ project is built to fulfill both client individual requirements and the international quality standards.

Innovative engineering capabilities and adherence to the highest quality standards have been the cornerstone of CNI's success since the beginning. The company's current market share in pressure vessel field is more than 50%.


Spherical Tank

The first and only firm in Vietnam able to design and manufacture. Experience: 4500m3 at 18 barG

Bullet Tanks

Holding the record of the largest tanks (750m3)

LPG/Air Mixing System

The only firm in Vietnam able to design and manufacture LPG/Gas mixers. Experience: 10,000Nm3/h

Fuel Gas Skid

The first and only firm in Vietnam able to design and manufacture. Experience: 4000Sm3/h

Pressure Fluid Tanker

Owning the largest number of Vietnam Register Certificates for Safety, Quality & Environment Protection among few authorized manufacturers


An ASME Certified Company Since 2012

As a holder of ASME U, U2, S and ISO 9001:2015 certificates, we strictly adhere to the standard codes in design, fabrication and quality control, regardless of whether the items are coded or code intent, with or without the involvement of third parties.

Administration & Human Resources


Production: To utilize workforce efficiently, eliminate waste and maintain our top-notch quality, our approach include mechanization to the fullest possible extent and effective production for a higher productivity.

QA/QC: We strictly adhere to the ASME-approved QC Manual, no matter whether an item is coded or code intent.

Management: We apply effective methods to improve the procedures in the company's activities, ensuring that the process is able to run without any flaw and unnecessary barrier.


Board of Directors: The Board of Directors has years of experience working in the Industrial & Manufacturing, Oil & Gas industries. With the core values of integrity and innovation in mind, the Board has set up the highest standards of the conduct of our business.

Engineers & Workers: CNI engineers possess great knowledge and skills to deliver an excellent performance and ensure compliance to the Code, applicable laws and regulations, and client’s requirements. We retain numerous skilled welders, erectors, fitters, fabricators. Our staff is encouraged through a fair promotion process and opportunities for their development.


With 20 years of experience and expertise in mechanical engineering, CNI has provided reliable solutions to our customers in Vietnam and across Asia. We are proud of being one of the top Pressure Vessel and Equipment companies in Southeast Asia and have served clients from a wide range of industries including Oil & Gas, Industrial Gas, Chemistry, Steel Fabrication, Food & Beverages, Waste Treatment, etc.

Our client list includes domestic giants (Petro Vietnam, Vietnam Chemical Group, Petrolimex, Saigon Petro,...) and reputable companies in FDI sector (Total Gas, Messer, Formosa, Samsung, Posco...)

We have started to export our products to high quality required markets including Japan.