Mphezi yomwe ili mu Shanghai City, dziko lazachuma ku China. Overdeng gulu la mabanja kuphatikizapo anthu wamba, njanji; Orreeng Smeme Smement, opaleshoni ndi kukonza, kugulitsa ndalama, pulogalamu yoperewera ndi zina zotero. Mpaka 2022 pali antchito oposa 350 omwe amagwira ntchito tsiku lililonse pagululo, ndi 20% ogwira nawo ntchito pa R & D.