- MOQ1000 Piece(s)
- Brand NameDa Yuan
- Country of OriginChina
- Supply TypeManufacturer, Exporter, Supplier
- Preferred Buyer Location All over the world
It is used for petroleum drilling. Material is S20 which is a high quality carbon steel. The product we are producing which diameter from �30 to �60 which using cold forging (cold extrusion) process.
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