SEMW na faavaeina i le 1921 ona e 100 tausaga o le talafaasolopito.Ina ia faʻafetaui le faʻateleina o manaʻoga o maketi faʻavaomalo mo Hydraulic Pile Driving Rig, Diesel Pile Hammer.tatou fa'apotopotoga tu'ufa'atasia ma Shanghai Jia Yuan Hai Investment (Group) CO., LTD e fa'atūina Shanghai Inisinia Masini Co. Ltd. lea e saunia ai le ala mo le kamupani e avea ma ta'ita'i fa'avaomalo i le lumana'i.