1. Onye nrụpụta ma ọ bụ onye na-eweta ihe ngwọta, nna ukwu ma tinye ọkọlọtọ mba ụwa ASTM BS EN40 n'ichepụta na mmepụta. 2. Ịgbado ọkụ nke ọma, enweghị ịgbado ọkụ na-agbado agbado, enweghị ọnụ ọnụ, elu dị larịị na-enweghị adịghị ọcha. 3. Usoro ịgbasa ntụ ntụ, mkpuchi mkpuchi mkpuchi polyester dị ọcha, nkwụsi ike siri ike, nguzogide UV.Ogologo ihe nkiri karịrị 10um, nrapado siri ike. 4. Hot itinye galvanizing technology, esịtidem na mpụga na-ebupụta site 75 microns n'elu na-ekpo ọkụ itinye zinc mkpuchi anticorrosion ọgwụgwọ. 5. Otu nkwụsị ọrụ maka ọrụ gọọmentị: nhazi mbụ, akwụkwọ oge, usoro mmepụta njikwa mma, nduzi engineer maka ntinye. 6. Ọkachamara nchara nchara n'èzí, ikuku siri ike, nguzogide corrosion, ndụ ruo afọ 50.
