An kafa shi a shekara ta 2001, Zhangjiagang Wanrong Machinery Manufacturing Co., Ltd. ya rufe yankin fiye da murabba'in mita 10,000, yana daya daga cikin manyan kamfanonin samar da kayan aikin sarrafa bututu a kasar Sin. Kamfanin kudu makwabta Suzhou, Wuxi, Shanghai, gabashin makwabta Changzhou, Nanjing, tare da tafiya da high-gudu, Sitong high-gudu, sufuri ne sosai m. Kamfanin ya ƙware a samar da na'ura mai aiki da karfin ruwa bending na'ura, CNC 3D bending na'ura, rabin atomatik bending na'ura, cikakken atomatik bending na'ura, yankan na'ura, shrinking na'ura, madaidaiciya zagaye na'ura, bending na'ura da sauransu duk jerin bututu-nau'ikan aiki da kayan aiki. Kayayyakin da yawa amfani da jirgin ruwa, motoci, babur, keke, petrochemical, karfe kayan daki da sauran daban-daban bututun inji masana'antu. Bayan fiye da shekaru 10 na aiki, kamfanin ya sami takardar shaidar tsarin ingancin kasa na IS09001 da haƙƙin mallakar kai na kasa na shigo da fitarwa da fitarwa, kuma ya sami nasara sosai a fannoni masu inganci, fasaha, samarwa, kasuwa, sabis da sauransu. Manyan fasaha, ci gaba da kayan aiki, kimiyya management da kuma cikakken sabis, sa Wanrong inji iya ci gaba da kyau ci gaban halin a cikin m gida da kuma kasa da kasa kasuwa. Kayan aikin sarrafa kayan aiki na bututu sun rufe larduna 30, birane, yankuna masu zaman kansu, birane, da kuma fitarwa na Turai, Gabas ta Tsakiya, da sauran kasashen Asiya da sauran yankuna, ya sami nasarar masu amfani! Na gode da gaskiya ga amincewa da ƙauna ga "Tuofeng" alama, da kuma tabbatar da cewa a lokaci guda samun mu ingancin kayayyakin, za ka ji daɗin wannan ingancin bayan-tallace-tallace sabis. Mun yi amfani da "bincika masana'antu a kan high-tech, buga wani yanki mai ban mamaki makomar" a matsayin sabon karni kamfanin ra'ayi, tare da dukan ma'aikata tare da buga mai kyau makomar Wan Rong inji.