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Standard : API-5CT,API-5B
Usage : Protect the thread
Packing : Wooden Pallet
Richsen Product
HS Code : 8431.43.10
Standard : API-5L
Usage : Offshore Drilling
Packing : Steel Frame
Standard : API 5DP
Usage : connecting the drilling rig
Packing : Steel Belt,Steel Frame
Standard : API SPEC 7-1
Usage : Provide a path for pumping drilling
Richsen product