API Certificated Circulating Sub (drilling circulating sub)

• After-sales Service：1 Year
• Warranty：1 Year
• Color：Black, Green or as Requested
• Size：as Requested
• Certificate：API
• Material：Carbon Steel

=== Base Info ===

• Model NO.：cs
• Transport Package：Wooden Case or as Requested
• Specification：API
• Trademark：zhongshi
• Origin：Henan, China
• Production Capacity：10000PC,Month

=== Description ===
Connection TypeI.D.(mm)Overall Length(mm)Male ConnectionCasing ConnectionNC385" BTC575005" LTC5" STCNC385 1/2" BTC575805 1/2" LTC5 1/2" STCNC507" BTC716007" LTC7" STCNC509 5/8" BTC716209 5/8" LTC9 5/8" STCNC5010 3/4" BTC7167010 3/4" LTC10 3/4" STCNC5013 3/8" BTC71670

Main products:
1. Pumping unit
2. Tubing pump/sucker rod pump and accessories
3. Float collar and float shoe
4. Casing centralizer
5. Cementing plug
6. Cementing head
7. Stage Collar
8. Casing/ Tubing coupling
9. Drill pipe
10. Sucker rod