Hana ʻia nā paipu hao ductile e like me ka ISO2531/EN545/EN598/NBR7675 maʻamau honua.ʻO ka hao hoʻoheheʻe Ductile kahi ʻano o ka hao, carbon a me ke silika.I ka wā o ke kaʻina hana, hana mākou i nā hoʻokolohua ma ka laina a me nā mea hoʻāʻo e pili ana: hydraulic pressure, ciment lining mānoanoa, zinc spraying mānoanoa, bitumen coating mānoanoa, dimension test, impressing test a pēlā aku.ʻOi loa, loaʻa iā mākou ka mea ʻike X-ray kiʻekiʻe loa e hoʻāʻo i ka mānoanoa o ka pā o kēlā me kēia paipu i hiki iā mākou ke hōʻoia i ka maikaʻi o nā paipu i ka maʻamau.
Ka uhi: Epoxy Resin Paints&Powder Coating, bitumen coating.