Puv them tag nrho cov tshuab raj yog ib qho tshiab, ib puag ncig ua phooj ywg thiab cov thev naus laus zis siv tau zoo. Nyob rau hauv xyoo tsis ntev los no, nws tau siv dav hauv nroog hauv nroog, tob foundation Phauj tom Pile, Khib Pile (qhov chaw sib thooj) tu. Kev kub ceev-ceev, txoj kev tsheb thiab choj, nroog siv cov kev tsim kho pawg ua kom lub zog thiab lwm yam haujlwm.

Cov txheej txheem kev hloov tshiab no tau paub txog cov neeg ua haujlwm sib txuas, thiab cov pob zeb txuas ntxiv, thiab cov nplais nrawm nrawm nrawm nrawm, muaj zog ntawm cov txheej txheem thiab ntau pawg Lus Qhia.

Txoj kev tsim qauv ntawm casing rotator tau ua tiav cov kev ua tiav cov tub rog ntau tshaj 5000 txoj haujlwm ntawm thaj chaw Singapore, Nyij Paus, Hangzhou, Beijzhou, Beijing, Tianjin thiab Chengdu. Nws yeej yuav ua lub luag haujlwm loj hauv lub neej tom ntej kev tsim kho thiab lwm yam pawg Pile Foundation cov teb tsim khoom.