Kua whiwhi te kamupene i te tiwhikete ISO9001 me te tohu tuarua-akomanga o Haina Metrology Accredidation, i whakaaetia e te Municipal Bureau of Metrology and Technical Supervision o te akomanga mita, vernier class, differential class, pressure gauge me etahi atu mea 8 o te taputapu paerewa me te whiwhi i te tiwhikete tohu mo te inenga o te taone me te punaha whakamatautau. Kei te kamupene nga taputapu whakamatautau tinana me te matū me te kaha ki te whakamatautau, penei i te kitenga koha, te whakarewatanga, te haruru, te tātari matū, te whakamatautau tensile, te pakeke me etahi atu.