Quality Assurance

An integrated quality management system is built in Tengyue SMT.

Having all the basic certifications, the Company is regularly audited for conformity to the specific industry requirements. The products of Tengyue SMT are certified according to the rules of the ISO9001, PED 97/23/EC and AD MERKBLATT 2000.

Quality assurance process consists of the following elements:

Incoming inspection;

Operational control;

Quality assurance through process and product audit;

Acceptance control;

Third Party inspections

 We conduct the following types of tests:

VI (visual inspection);

Chemical Composition analyzingDirect Reading Spectrometry, Portable Spectrometer Testing (Hitachi X-MET8000 Smart)
Metallographic testMicroscopic test, Metallographic test, Macroscopic test, Grain Size, Intergranular Corrosion Test
Mechanical properties TestingRoom temperature Tension test, Hardness Testing, Impact test, Huey test
Technological performance testFlaring test, Flattening test, Bend test, Hydraulic test, Expansion test, Air-under water pressure test, Surface Roughness Test
Non-destructive testUltrasonic testing detecting, Eddy Current Test, Hydrostatic Test

Third Party Inspection such as RINA, BUREAU VERITAS, LLOYDS REGISTER, DNV, UEV, SGS, MOODY, ITS, TüV, GL as well as customer’s stage-wise inspection are welcome.

Projects aimed at continuous quality improvement and its management are permanently functioning in the Company.