Ma ka lā 27 o Malaki, ua mālama ka 'Oihana Hoʻonaʻauao a me ke Kaiapuni o Anhui i kahi hālāwai kūkā a hoʻolaha i ka "Anhui Provincial Cement Industry Air Pollutant Emission Standards" (ma hope aku i kapa ʻia ʻo "Standards") i hoʻokō ʻia mai ʻApelila 1st.ʻO ka "Standard" ka mea i hoʻokuʻu ʻia ʻo 10, 50, a me 100 mg / m3 ka mea ʻāpana, sulfur dioxide, a me nā ʻokikene nitrogen.Ma ke ʻano he maʻamau koi ʻia a e hoʻokō ʻia ia ma ʻApelila 1, 2020. Hāʻawi kēia i nā koi kiʻekiʻe no ka ʻoihana sima i ka hoʻohana ʻana i nā lako pale kaiapuni.