Techuang Biotechnology tikseb l-Awstralja ċċertifikata (AS-4736 & AS-5810), Amerikana (ASTM D 6400 & EN13432),ISO9001, ISO45001, ISO14001, Ewropew OK Kompost Industrijali, OK HOME Compost, BPI, NTSQP, GRS eċċ,. Jekk trid tara xi wieħed minn dawn id-dokumenti taċ-ċertifikati, ikkuntattjana u aħna nuruk.

 

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