I te Whiringa-a-rangi 4, ko te kauhanga 8-ara tuatahi o te kawanatanga - ko Xiao Ling i hangaia e te roopu tere tere me te roopu piriti o Shandong i oti nga mahi katoa.Koinei tetahi atu kaupapa hangahanga nui i mahia e Shantui Janeoo.

Xiaoling tunnel kei roto i te waenganui o te kaupapa toronga tonga o East Second Ring Road, whakawhiti i te Xinglongshan i te takiwa waenganui o te taone, e hono ana i te raki ki te raki o te kauhanga, e hono ana i te tonga ki te tonga i roto i te wehenga Xiaoling me hono ana i te Tai Ling Tunnel, te rua-ara e waru-ara wehe te huarahi Tunnel, te raina maui, te roa o te raina matau 1000 mita, te whanui kupenga 17.6 mita, te porowini o te kauhanga rite i roto i te kauhanga huarahi nui rawa atu.Te Whakatinana i te Whakawhiti Haumaru i roto i te Tunnel Xiaoling.

Tenei tukanga hanga kauhanga, Shantui Janeoo me nga huinga e rua o te raima whakaranu tipu, e rua marama i mua i te mahere atu i te mahere taketake ki te whakaoti i te tukanga katoa o te tuku o te raima, i whakamatauhia te mahi: Shantui Janeoo taputapu hanga pai , Mahi pumau me te pono.