We have a complete set of qualifications and various international norms of certifications, and not only produce the plate heat exchangers, the plate heat exchange units, the all welded shell heat exchangers, the all-welded plate, and frame heat exchangers, evaporators and condensers, process water cooling systems, and a full range of heat exchange equipment include the heat recovery systems in accordance with the uniform AS standard, but also provide products in line with the international norms and standards such as ASME, CE, API, JIS, IEC, DNV, GL, ABS, BV, CCS, GB, etc. The following list is part of the certificate reference, more certificates, please contact our local sales.