ʻO Shijiazhuang Yuncang Water Technology Corporation Limited kekahi o nā pūʻulu alakaʻi ma Kina, ka mea kūikawā i ka hana ʻana a me ka hoʻolako ʻana i nā kemika wai a me nā mea hoʻomaʻemaʻe wai ʻē aʻe no nā makahiki he 12. Me nā makahiki he 27 i loko o ka laina o ka wai kemika honua kālepa, a me 15 mau makahiki o ka mālama ʻana i ka ʻike ma ka ʻauʻau ʻauʻau a me ka mālama ʻana i ka wai ʻoihana, ua hoʻolaʻa mākou i ka hāʻawi ʻana i nā kemika wai laina āpau a me nā ʻenehana kākoʻo ʻenehana.