TianjinYuantai DerunSocietas quadrata et rectangula iunctaferro tibiaesunt consideratum AAAAA productum certificationem ab Institute of Metallurgical Industry planning
Secundum specifica requisita "quies" pro quadratis et rectangulis fistularum iunctarum ad proposita structurarum, tibiae ferreae quadratae et rectangulae ad proposita generalia structurarum, vexillum comprehendendo considerat qualitatem constantiam, feedback qualitatem, certificationem productam, praemia honoraria in gradu producto. , qualitas certitudinis facultas in incepti gradu, innovatio habilitas, incepti integritas, gradus serviendi, gradus informatio et alia contenta. Centrum in tradenda incepti productum qualitatem certitudinis facultatem ac notam uber valorem, scientifica, rationabilis, provectus et applicabilis perpensionis signa enucleata, fundamentum sequentis gradus fabricationis tibiae iunctae, generalis propositi frigidum involutum vel calidum involutum fistulam ferro iuncta firmavit. notam certificationem, culturam et fabricam ferro productam "certam notam".
Certification fabrica unitas:Tianjin Yuantai Derun Steel Pipe Vestibulum Group Co., Ltd
Oratio certificationis officinas:N. II, Hengtong Road, Daqiuzhuang Industrial Park, Jinghai District, Tianjin
Certification producti generis: quadrangulum et rectangulum iuncta ferro pipe
Certification operis nomen;rectangulumiuncta ferro pipe
Product exemplar et specificatio:Q235B, Q355B, Q355C, Q355D, Q420, Q460
（20*40）mm2 ~(800*1200)mm2
Signa et necessitates technicas:
T/SSEA 0109-2021 Guidelines for Quality Grading and Grading Aestimation of Square andFerro iuncta rectangulo PipeProducts
Modus certificationis:initial inspectionem + productum sampling inspectionem + vigilantia post certificationem
AAAAA
Ab editis:China Metallurgical Industry Planning and Research Institute
Dies exitus:December 30, 2022 Exitus date: December 29, 2025
Post tempus: Jan-12-2023
