Ua hoʻokumu ʻia ʻo Nanjing Tongchang Environment Tech Co., Ltd. ma 2018, aia ma Nanjing, JiangSu Province, aia ma ka Shanghai Economic Circle.ʻO kā mākou ʻoihana nui ka hana ʻana a me ke kūʻai aku ʻana i nā lako hoʻomaʻemaʻe ea a me ka wai a me kā lākou mau mea kākoʻo.