Techuang Biotechnology get the certified Australia(AS-4736 ＆ AS-5810), American(ASTM D 6400 ＆ EN13432), ISO9001, ISO45001, ISO14001, European OK Compost Industrial, OK HOME Compost, BPI, NTSQP, GRS etc,. If you wanna see any of these certificates documents, contact us and we will show you.
