Crest Diameter Gage

HS Code : 9017.30.00

Standard : API-5CT

Usage : Connecting Drilling Strings

Packing : Steel Frame

Richsen Product

Honed pipe-Liner Hanger

HS Code : 8431.43.10

Standard : WS302

Usage : Casing Liner Hanger production

Packing : Steel Belt

Richsen Product

CrossOver Blank

HS Code : 8431.43.10

Standard : API SPEC 7-1

Usage : Casing Liner Hanger production

Packing : Wooden Pallet

Richsen Product

API Casing

HS Code : 7306.29.00

Standard : API-5CT

Usage : Major structural component oil well

Packing : Steel Belt

Richsen Product

API Tubing

HS Code : 7306.29.00

Standard : API-5CT

Usage : Oil extraction

Packing : Steel Belt

Richsen Product

API Thread Protector

Standard : API-5CT,API-5B

Usage : Protect the thread

Packing : Wooden Pallet

Richsen Product