Hebei Canghai Nuclear Equipment Technology Co.Ltd. has more than 20 years of experience in the professional production of seamless carbon steel pipes. The products of CANGHAI have been certified by international renowned certification institutions such as ISO9001,ASME, and BV.Regarding the usage of seamless carbon steel pipe products: Applicable to the general structure, mechanical structure, consruction and building/infrastructure development water wall panel, economizer, super heater, boiler and heat exchanger with seamless steel tubes, and to transport liquid, gas, oil etc.Standard: API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444, JIS G3445 DIN 2391, EN10305, EN10210, ASME SA106, SA192, SA210, SA213, SA335, DIN17175, ASTM A179...Inspection & Testing ：Clients and 3rd party supervisor or inspection & testing are available.