Shanghai Tunghsing ka akwakọba ihe karịrị afọ 40 'ahụmahụ n'ichepụta FRP osisi. Anyị ụlọ ọrụ na-sitere Taiwan na anyị mbụ FRP osisi echichi bụ na 1976 na okporo osisi ndị ka na-eji.
Anyị FRP osisi a na-eji filament asọfe usoro. N'ihi nta ubi osisi ma ọ bụ cctv osisi na anyị nwere ike iji pultrusion usoro.
Anyị na-n'ichepụta FRP okporo osisi dị iche iche dị ngwa tinyere n'okporo ámá ọkụ osisi, na ịba uru osisi, nkwurịta okwu osisi (ADSS), há nhata osisi, n'ogige osisi na gburugburu ogologo osisi izute gị mkpa.
Anyị chepụta FRP osisi dị ka na-esonụ ụkpụrụ: ANSI, ASTM nke USA, EN40 nke Europe, SASO nke Saudi Arabia. Anyị nwekwara ike chepụta dị ka gị spec.
Na okwu nke filament asọfe usoro, anyị ẹdude 2 edoghi na-enwe kwa afọ na mmepụta nke 6,000pcs 9m osisi na anyị na-eme atụmatụ na-amụba ọzọ 2 ọzọ e.
N'ihi pultrusion usoro, anyị ẹdude 14 edoghi na-enwe kwa afọ na mmepụta nke 70,000m kwa akara, Olee ihe enyemaka 980,000m kwa afo. Anyị na-eme atụmatụ itinye 8 ọzọ edoghi na-atụ anya na-amụba ike nke 70,000m kwa akara, Olee ihe enyemaka na-amụba kwa afọ ike nke 560,000m.
E wezụga FRP okporo osisi, anyị na-enye ọtụtụ dị iche iche nke ngwa gụnyere FRP ji achọ isi cover, galvanized ígwè ogwe aka, aluminum ogwe aka, galvanized ígwè isi, handhole cover, top okpu, wdg
Ọkọlọtọ anyị mbukota bụ plastic akpa wrapping maka onye osisi.