Gold Index: 9899
HENAN WEIN INDUSTRY CO.,LTD. [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Zhengzhou Province/State: Henan Country/Region: China (Mainland)
collar
Drill collars are manufactured from AISI 4145H or 36CrNiMo4 modified steel, and are supplied in the" as rolled" surface finish condition. Alternativ
2012-07-10
Drill Collars