We are one of the most professional Chinese company supplying various kinds of quality oil well pipes as well as special pipes with competitive prices. We also specialize in “unusual” so if you could not find your pipe size, pls let us know: For your reference, Our main products and services are as below: &＃61548; API casing and Tubing &＃61548; Drill collars (ordinary, non-magnetic, spiral and kellys) &＃61548; Slotted & perforated pipes &＃61548; Petro-chemical pipes (Seamless Pipes for Natural Gas Transportation and Chemical Refinery Industry) &＃61548; Special Pipes for Vessel, Boiler &＃61548; Others: Subs & tools, Pup joints The tubing specification is as following: 1. Standards: API 5CT latest edition 2. Dimensions: OD 4-20", WT 11.34-169 thickness to be discussed 3. Steel grade: J55, K55, N80, L80, C75, C90, C95, P110 4. End Finish: PE, LT&C, ST&C, BT&C, EUE, NUE, special seal SR13, USS etc 5. Length range: R1, R2, (can be Range 3, but not possible loaded in container) 6. Packing: Bundled with steel strip 7. Modification: Special clearance; Special bevel; Internally FBE coated; Tungsten-nickel alloy electric-plated anti-corrosion coating; Titanium-zirconium alloy powd 8. Product origin: China 9. Minimum order: to be discussed 10. Payment terms: irrevocable L/C or T/T Our products are manufactured in strict accordance with international standards like API, ASTM, DIN etc. our oil well pipes have mill certificate and heat number for traceability. For further products inquiries, pls do not hesitate to contact us.