离岸价格
获取最新报价( Negotiable )
|Minimum Order
位置:
Shaanxi,China
最小订单价格:
-
最小订单:
20 Ton
包装细节:
according to customer's demand
交货时间:
15-20 days
供应能力:
1000 Ton per Month
付款方式:
T/T, L/C, D/P, Western Union
Descriptions:
Drill collars is one of
the most important product of hexin oil drillings which mainly used
to provide bit weight to drill so that drill pipe is in tension.
Especially drill collar can keep drill bit centralized and hole
track by large rigidity. YAO
FU brand drill
collars are manufactured strictly from API Spec**1 standard.
Type:NC****1, NC*****5,NC****1......NC****0
OD(mm):*9.****3.2
ID(mm):*1.***1.4
DF(mm)**0.4: *6.****0.1
