M20-M100 stud bolt, hex bolt manufacturer-Anyang Longteng Heat Treatment Material Co.,Ltd

066092e0107ab3439c767a1254bd0aa8

 

 

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