Techuang Biotechnology jwenn sètifye Ostrali (AS-4736 ＆ AS-5810), Ameriken (ASTM D 6400 ＆ EN13432),ISO9001, ISO45001, ISO14001, Ewopeyen OK Compost Endistriyèl, OK HOME Compost, BPI, NTSQP, GRS elatriye. Si w vle wè nenpòt nan dokiman sètifika sa yo, kontakte nou epi n ap montre w.
