TUOJING — Advanced Materials
Advanced Materials · Oil & Gas Supply

Heavy metal,
delivered with precision

We know oil & gas and take on the whole chain — from mill audit to your port. Certified line pipe, OCTG, fittings, flanges and plate for Iran and the Gulf.

7Gulf + Iran markets
API · ASTM · ASME · GBStandards & quality
48h48h quotation turnaround
100%Full document package
What we supply

Energy-grade materials, organised the way procurement works

Eighteen categories, each line tied to its governing standard — from API 5CT casing to duplex pipe. Every item is a request-a-quote away.

OCTG Casing

Seamless casing by strength group — API 5CT, H40 to Q125.

View category 20 products

OCTG Tubing

Production tubing — API 5CT, J55 to P110, EUE/NUE.

View category 11 products

OCTG Couplings & Accessories

Couplings, pup joints and accessories — API 5CT / 5B.

View category 5 products

Seamless Line Pipe

Seamless line pipe — API 5L PSL1/PSL2, X42 to X70.

View category 17 products

Seamless Pipe (General & Special)

Seamless pipe — A106, A333 low-temp, A335 chrome-moly.

View category 18 products

Welded Pipe

ERW / LSAW / EFW welded pipe, piling & coatings.

View category 24 products

Butt-Weld Fittings

Elbows, tees, reducers, caps — ASME B16.9, A234/A403/A420.

View category 40 products

Forged Fittings (Socket-Weld / Threaded)

Forged socket-weld & threaded fittings, olets — ASME B16.11 / MSS SP-97.

View category 15 products

Flanges

WN, SO, blind, threaded flanges — ASME B16.5 / B16.47.

View category 37 products

Sucker Rods

Sucker rods, pony rods, polished rods — API 11B.

View category 15 products

Sucker Rod Pumps

Tubing & insert rod pumps, barrels, plungers — API 11AX.

View category 16 products

Drill Pipe & Tools

Drill pipe, HWDP, drill collars, subs — API 5DP / 7-1.

View category 9 products

Valves

Gate, ball, check, wellhead valves — API 6D / 6A / B16.34.

View category 9 products

Steel Plate & Strip

Pressure-vessel, boiler & structural plate — A516, A387.

View category 15 products

Stainless & Duplex

Stainless & duplex pipe, plate, fittings — A312, 2205.

View category 16 products

CRA Clad & Lined

Clad & lined pipe — API 5LD / 5LC, CRA overlay.

View category 10 products

Special Production Tubing

Vacuum-insulated & specialty production tubing.

View category 4 products

Bar & Long Products

Carbon & alloy bar, square, flat — GB/T 699, 3077.

View category 5 products
How we work

Your external procurement desk, end to end

One partner from specification to your port — we own sourcing, inspection and documentation so your project never waits on steel.

  1. 1

    Specification

    Send a standard, grade or drawing — we match it precisely.

  2. 2

    48h quotation

    Availability, certification and a delivered price, fast.

  3. 3

    Mill audit & QA

    Audited mills, pre-shipment inspection, spec verification.

  4. 4

    Documents

    EN 10204 3.1 MTC, NDT, PMI, third-party reports.

  5. 5

    Your port

    Consolidation, customs and last-mile to the Gulf.

Standards & quality

We supply to the standards your inspectors check against

API, ASTM, ASME and GB — with a complete, traceable document package on every consignment.

API 5CTAPI 5LASTMASMEGBMSS SP-97

All standards →

Logistics to the Gulf

China to site, handled as one chain

Consolidated sea freight to the major Gulf ports and Bandar Abbas, with customs paperwork and last-mile delivery coordinated end to end.

Jebel Ali (UAE)Dammam (KSA)Bandar Abbas (IR)

Logistics →

Shipping route from Hangzhou, China to the Gulf ports

Have a specification? Get a quote.

Send your standard, grade and quantity — we respond with availability, certification and a Gulf-delivered price.

Request a quotation