Type AJ safety subs
Manufacturer: Mudanjiang Xinbeifang Petroleum Drilling Tool Co., Ltd
Address: No. 138, Yangming Street, Mudanjiang City, Heilongjiang Province, China
Our company provides varied ,complete line subs and joints,they are : drill-stem subs,
increment circulating subs,side entry subs,type H safety subs,tool joints,orientation subs
and bent subs etc.These subs and joints are all made from high quality alloy steel forged
bar fully heat trested and machined.their me chanical properties and dimensions conform to
API and SY standsrds.