Ka la 4 Pulungoana, kotopo ea pele ea litsela tse 8 ea profinse - Xiao Ling kotopo e hahiloeng ke sehlopha sa Shandong e lebelo le borokho e qetile mesebetsi eohle.Ona ke projeke e 'ngoe ea bohlokoahali ea meralo ea motheo eo Shantui Janeoo a e entseng.

kotopo ea Xiaoling e bohareng ba projeke ea katoloso e ka boroa ea East Second Ring Road, e tšela Xinglongshan bohareng ba toropo, e kopanyang leboea le leboea ho kotopo, e hokahanyang boroa le boroa ka karohano ea Xiaoling le ho kopanya Tai Ling Tunnel, litsela tse peli tse robeli karohano tseleng Tunnel, mola le letšehali, le letona mola bolelele ba limithara tse 1000, letlooa bophara ba 17,6 limithara tse, profinseng ea kotopo tšoanang ka kotopo kholo ka ho fetisisa cross-section tseleng e khōlō le.Ts'ebetsong ea Tsela e Sireletsehileng ea ho tšela ka Xiaoling Tunnel.

Ts'ebetso ena ea kaho ea kotopo, Shantui Janeoo e nang le lihlopha tse peli tsa semela sa ho kopanya konkreite, likhoeli tse peli pele ho kemiso ho feta morero oa pele oa ho qeta mokhoa oohle oa phepelo ea konkreite, mokhoa ona o ile oa paka: Shantui Janeoo thepa tlhahiso e sebetsang hantle , Ts'ebetso e tsitsitseng le e ka tšeptjoang.