In ka badan 1, {{1000 shirkadaha kiimikada ee Shandong, Hebei, Jangsu, Zhejiang iyo gobol kale ayaa laga noqday
Dhawaan, waaxda Maareynta Degdega ee Gobolka Janiangsu waxay soo saartay {{0} ee ku dhawaaqday 2019, iyagoo sheegay in 199-kii Janaayo, gobolka ay ka mid tahay nambarka soo-saarista amniga, ama haddii aysan ku mashquulsaneyn soosaarka kiimikooyinka halista ah muddadii ansaxnimada, Ruqsadda Soo-Saarka Amniga waa la burin karaa .
Laga soo bilaabo 2018, Shangong, Hebei, Jangsu, Zhejiang, Hubei, Janegi, Jebei, Jiangxi iyo gobollada kale ayaa sidoo kale la soo saaray tirakoobka wax soo saarka ee dahabka ee la soo saaray shatiyada soosaarka badbaadada ee la soo saaray Shandong, Hebei, Jangsu, Zhejiang iyo gobollada kale waxay gaadheen in kabadan 1, {4}