Feme ea rona e sebakeng sa indasteri ea Wuqiu Chemical, Zongshizhuang Town, Jinzhou City, Hebei, China.E haufi le boema-kepe ba Beijing le Tianjin Xingang lik'hilomithara tse ka bang 300, le lik'hilomithara tse 600 ho ea boema-kepeng ba Qingdao le lik'hilomithara tse 1100 ho ea boema-kepeng ba Shanghai, ebe re ka romella thepa ka bolokolohi ho latela tlhoko ea bareki.Hape re ka hlophisa lipalangoang tse loketseng tsa likepe, tsa naha le tsa moea.
