Danqing na Switzerland (wanda ake kira Danqing) ƙwararrun masu samar da fasahar gwajin ma'auni da kayan aiki ne. Muna sadaukar da ingancin ingancin masana'antu kayayyakin! Ya zuwa yanzu, Danqing ya samar da kyakkyawan kayan aikin gwaji na kayan aiki ga masu amfani sama da 4,000, masu amfani da kayan aiki a duk faɗin masana'antun inji, lantarki, likita, zirga-zirga, mota, jirgin sama, sararin samaniya, soja, cibiyoyin bincike, tashoshin ma'auni, cibiyoyin ma'auni na ƙasa da sauransu. An wadataccen samfurin jerin suna da gauges da ke rufe kusan dukan tsawon gauge gwaji, tabbatar da cewa duk wani Danqing kayayyakin da ka zuba jari ne mai inganci da kuma aiki. Shekaru talatin na fasaha kwarewa tun daga 1986 don samar da ci-gaba ma'auni gwaji tsari ga masu amfani da kasar Sin, shekaru talatin ta hanyar gwajin masu amfani da kuma kasuwa dukkan bangarorin, a yau Danqing kamfanin ya iya samar da kyakkyawan mafita da kuma cikakken bayan tallace-tallace sabis ga masu amfani da masana'antu ciki har da inji, lantarki, likita, jirgin sama, sararin samaniya, soja, cibiyoyin bincike, tashar ma'auni, cibiyar ma'auni ta kasa da sauransu.