Loaʻa iā mākou nā paipu huila nui i loko o ka waihona, mai 2inch a 24inch, papa e like me P9, P11 etc i hoʻohana ʻia no ka ʻili wela o ka paila wela kiʻekiʻe, economizer, header, superheater, reheater a no ka ʻoihana petrochemical etc. e like me GB3087, GB/T 5310, DIN17175, EN10216, ASME SA-106M, ASME SA192M, ASME SA209M, ASME SA -210M, ASME SA -213M, ASME SA -335M, JIS G 3456, JIS G 3456, JIS G 3456, JIS a laila.