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Business license

Product Brand Name	Product specification range (mm)	Implementing standards or agreements
Q235GJB/C/D/E (Z15-Z35)	8-100	GB/T19879-2015
Q345GJB/C/D/E (Z15-Z35)	8-100
Q390GJB/C/D/E(Z15-Z35)	10-100
Q420GJB/C/D/E(Z15-Z35)	10–80