SHENGG is accredited with several certifications and stamps from established issuing bodies with rigorous standards and codes. Through them, we continue to push our already high standards for quality, reliability and trust.

ISO 9001:2015

Issued by the International Organization for Standardization, ISO 9001:2015 specifies requirements for a quality management system, applicable to organizations of all types and sizes. It ensures consistent provision of products and services that meet the customer’s needs as well as statutory and regulatory requirements. It also aims to increase customer satisfaction through effective application and improvement of the system.

ISO Certification 3834-2

It is hereby certified that the manufacturer has furnished proof of the quality requirements to be met for his welding activity.

ISO 14001:2015

ISO 14001:2015 is an internationally accredited standard that lays out the requirements for an Environmental Management System. It promotes improving environmental performance through more efficient use of resources and reduction of waste, gaining a competitive advantage and the trust of stakeholders.

ISO 45001:2018

ISO 45001:2018 specifies requirements for an Occupational Health and Safety (OH&S) Management System. They guide organizations to provide safe and healthy workplaces by preventing work-related injury and ill health.

ASME S Stamp

The S Stamp is offered if the manufacturing of power boilers and accessories is done in accordance with the American Society of Mechanical Engineers’ code.

ICV Certificate 

The ICV Certificate is issued to certified suppliers after evaluating their contribution to the local economy. The program aims to enable the Ministry of Industry and Advanced Technology to improve the performance and sustainability of the industrial sector.

ASME R Stamp

The R symbol stamp is offered by the National Board of Boiler and Pressure Vessel Inspectors for the alteration and/or repair of pressure vessels, boilers, and other pressure-retaining items.


The NB stamp ​​indicates that a pressure-retaining item has been constructed complying with the ASME Boiler and Pressure Vessel Code, and that it has been inspected by a qualified National Board Commissioned Inspector.

ASME U Stamp

The ASME U Stamp indicates that the design, construction, inspection, and testing of pressure vessels is in accordance with the latest regulations of the American Society of Mechanical Engineers (ASME). It ensures high quality as well as safety through ASME’s rigorous rules.

ASME U2 Stamp

The American Society of Mechanical Engineers issues a U2 Vessel Stamp for unfired pressure vessels that have been inspected and found to comply with acceptable construction methods under its alternative rules.  

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