Dongosolo lachimbudzi la Beijing Fengtai rettlement limayang'anira Henan Datang Shengshi Construction Engineering Co., Ltd. Datang Shengshi ali ndi chidziwitso chochuluka ndipo amagwira ntchito yomanga malo opangira zimbudzi m'deralo.Dongosolo lachimbudzi lachimbudzi limagwiritsa ntchito mita ya kampani yathu ya fluorescent kusungunuka mpweya, mita ya sludge ndende ndi akupanga mulingo wa mita ndi zida zina zowunikira kuchuluka kwa madzi ndi mtundu wamadzi amadzimadzi.