PT. Heat Exchangers Indonesia is accredited to provide ASME 'U', 'U2' and 'PP' stamps for exchangers and vessels where this is a requirement of the customer.

PT. HEI's facility operates with fully accredited QA System to international quality standard ISO 9001:2000.

In April 2005, PT. HEI has succeed to obtain the SELO (Special Equipment Licensing Office) certificates for categories of A1 & A2. Now, PT. HEI is one of the overseas manufacturer can supply the pressure vessel to China .