ቻይና 2018 ከፍተኛ ጥራት 50%, 60%, ስፖት ውስጥ ካስሉሂምን 6419-19-8 ጋር Atmp 90% የተለያዩ ንጽሕናን (አሚኖ Trimethylene Phosphonic አሲድ).
China 2018 Mkulu khalidwe 50%, 60%, 90% Zikusiyana Oyera Atmp (kwa amino Trimethylene Phosphonic acid) Ndi Cas 6419-19-8 Mu malo.