1200 employee factory for QT round bar, stud bolt, hex bolt, anchor bolt system – Anyang Longteng Heat Treatment Material Co.,Ltd. Bolt conform to ISO898-1 CL 8.8, 10.9, 12.9 or technical agreement.
CNAS lab, BV, CE, EN1090, EN15048, EN14399, ISO9001, ISO41001, ISO45001, UT, MT personnels, patents
Post time: Apr-16-2022