Company News
-
Our company has passed the PED97/23/EC4.3 certification issued by Lloyd's of England
Date : 2018/8/09 View : 1415On May 10, 2015, the audit team of LR(Lloyd's registerofshipping) came to the zheheng steel production site and conducted on-site audits of zheheng steel quality assurance system, production capacity... -
275mm×2mm large-diameter thin-walled seamless stainless steel tube
Date : 2018/8/09 View : 1428After repeated trials and tests, the zheheng steel production workshop prototyped a 275mm×2mm large-diameter thin-walled seamless stainless steel tube. Due to the cold drawing process, the... -
Our company delivered missile barrel pipes to a large military enterprise
Date : 2018/8/09 View : 1275The company delivered missile barrel pipes to a large military enterprise
