联系人 xie
No.43,West Diming Street,Mudanjiang City, Mudanjiang, Heilongjiang
Kellys is driving section of wohole drill stem. Kelly is
available with square kelly and hexagonal kelly. TIANHE brand
kelly are manufactured strictly from API Spec**1 and
SY/T********0 standard.
TIANHE Kelly has been approved by the NS*1
certification.Straightness is the key manufacturing process.
Straightness is checked before,during and after each machining
operation.Flats are precision-milled to API and
NS*1specifications.All milling is performed on specially designed
rigid kelly mills. Each TIANHE Kelly is furnished with a pressed
steel thread protectors.
| 国家: | China |
| 型号: | - |
| 离岸价格: | ( Negotiable ) 获取最新报价 |
| 位置: | - |
| 最小订单价格: | - |
| 最小订单: | - |
| 包装细节: | - |
| 交货时间: | - |
| 供应能力: | - |
| 付款方式: | - |
| 產品組 : | - |
