Doing Composition testing is a fundamental safeguard provided by SME MACH for each batch of raw materials, as only the right raw materials can make our final products achieve the purpose of use, for this reason, SME M

ACH requires all our raw material suppliers to provide the batch number of the raw materials, every product can be traced back to its origin; We also require the suppliers to provide the raw materials’ composition report to be compared with the result of our own spectral analysis, so that only the raw materials which passed the testing can start its production journey.