Ma ka makahiki 2021, ua ʻoi aku ka nui o ka waiwai o ka ʻoihana valve o Kina ma mua o 210 biliona yuan no nā makahiki he nui, me ka ulu ʻana o ka ʻoihana ma mua o 6%.
He nui ka helu o nā mea hana valve ma Kina, a ua manaʻo ʻia ka nui o nā ʻoihana valve nui a me nā liʻiliʻi ma mua o 10000. ʻO ka hoʻonui ʻana i ke kaʻina hana o ka ʻoihana ʻenehana ua lilo i pahuhopu hoʻolālā o ka ʻoihana valve o Kina.Ma ke ʻano o ka hoʻopuka, ua hoʻonui mau ʻia i nā makahiki i hala.He 7.86 miliona tons i ka makahiki 2017, 8.3 miliona tons ma 2019, 8.5 miliona tons ma 2020 a me 8.7 miliona tons ma 2021.
Ka manawa hoʻouna: Mei-06-2022