Posted by:

fredteng

Location:

Asia and Pacific - China

Ad Status:

Closed

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Description:

Freet gained the right to use the API logo in 2004. ****@**************for more details. This series products use high quality low-carbon alloy, forged by patented heating technique developed by our own staff, which ensures the overall mechanical properties by strictly controlling the forge quality and advanced heat-treatment process. Digital machining at rod end ensures the accuracy of threads and strength. The above techniques guarantee overall performance of the sucker rod.