Portland Site na ndụ ahịa, Portland nnukwu isi ụgbọ elu, Portland Elekere isi ụgbọ elu, Portland Elekere ahịa, na Portland Elekere isi ụgbọ elu na onwere ọtụtụ ngwaahịa. Ọbụkwara n'ịjụjụ
Portland Onye isi nnabata Hydraulic platform, Portland Elekere hydraulic, Portland Elekere ya, na Portland Elekere Hydraulic nwere ihe gbasara obere ike, uwe mma, ihe gbasara oru di iche iche, na nchekwa ndụ dị iche iche, nke na-efu Portland Hydraulic Elevator Co., Ltd Nnọ́ọ̀ nà Portland Nnyemaka