PRICING NOTICE: Proposal to change frequency of Metal Bulletin’s Chinese APT export price assessments

Metal Bulletin is planning to change the frequency of assessment for its Chinese ammonium paratungstate (APT) export price quotation from Friday January 29 subject to the result of a market consultation.

Metal Bulletin is planning to change the frequency of assessment for its Chinese ammonium paratungstate (APT) export price quotation from Friday January 29 subject to the result of a market consultation.

The spot market is agreed to be illiquid and the change is aimed at allowing Metal Bulletin to capture a larger number of data points, from as many market participants as possible.

From January 29, the frequency of publication would be changed to every Wednesday between 14:00 and 15:00 London time.

Market participants have until January 25 to respond to this notice.

The chemical specification and delivery terms would be as follows:

Description: Tungsten APT, export from mainland China
Price: $ per mtu WO3, fob China
WO3: 88.5% min
Al: 0.0005% max
As: 0.001% max
Bi: 0.0001% max
Ca: 0.001% max
Cd: 0.001% max
Co: 0.005% max
Cr: 0.001% max
Cu: 0.0005% max
Fe: 0.001% max
K: 0.001% max
Mn: 0.0005% max
Mg: 0.0005% max
Mo: 0.002% max
Na: 0.001% max
Ni: 0.0005% max
P: 0.0007% max
Pb: 0.0001% max
S: 0.0008% max
Sb: 0.0002% max
Si: 0.001% max
Sn: 0.0002% max
Ti: 0.0005% max
V: 0.001% max
Form: White finely divided free-flowing crystals
Lot size: 17 tonne min
Payment terms: Cash
Assessment: On Wednesdays by Metal Bulletin’s Singapore office, except when that office is closed for public holidays. Such times will be notified well in advance.
Publication: Weekly. Between 2pm and 3pm London time on Wednesdays

If you have any comments or queries about the proposal, please contact Rena Gu, the reporter responsible for the tungsten price assessments at rena.gu@metalbulletinasia.com

Questions relating to Metal Bulletin’s pricing methodology and policy should be sent to Metal Bulletin market data and compliance manager Paolo Sorze at psorze@metalbulletin.com or Metal Bulletin editor Alex Harrison at aharrison@metalbulletin.com

Rena Gu 
Rena.gu@metalbulletinasia.com

What to read next
MB-STE-0027 Steel cold-rolled coil domestic, exw Southern Europe, €/tonne was incorrectly published as €710-750 per tonne, now corrected to €730-750 per tonne. MB-STE-0031 Steel hot-dipped galvanized coil domestic, exw Southern Europe, €/tonne was incorrectly published as €700-730 per tonne, now corrected to €730-750 per tonne. MB-STE-0030 Steel hot-dipped galvanized coil domestic, exw Northern Europe, €/tonne was incorrectly published as €710-745 per […]
Fastmarkets launches assessments for western S-P-F #2&btr 2x4-2x12 delivered Vancouver and delivered Calgary, western S-P-F MSR 1650f and 2100f 2x4 and 2x6 delivered Vancouver, eastern S-P-F #1&2 2x4 and 2x6 8’-16’ specified lengths delivered Montreal, eastern S-P-F MSR 1650f and 2100f 2x4 delivered Toronto, and 1650f 2x6 delivered Toronto on Thursday December 18, 2025.
Fastmarkets has corrected its AG-UCO-0010 Used cooking oil, cif Amsterdam, Rotterdam, Antwerp price, which was published incorrectly on December 15.
The following prices were affected: MB-STE-0007 Steel hot-rolled coil domestic monthly, exw Brazil, reais/tonne MB-STE-0005 Steel cold-rolled coil domestic monthly, exw Brazil, reais/tonne MB-STE-0006 Steel hot-dipped galvanized coil domestic monthly, exw Brazil, reais/tonne MB-STE-0008 Steel reinforcing bar (rebar) domestic monthly, delivered Brazil, reais/tonne These prices are a part of the Fastmarkets steel package. For more information or to provide […]
Fastmarkets proposes to discontinue the following duplicate prices, which were previously assessed on a US timestamp and also assessed in Asia, to better reflect observed market liquidity and based on previously received market feedback. Fastmarkets assessed these markets in both the US and Asia following the acquisition and merger of The Jacobson and Palm Oil […]
Fastmarkets has proposed several changes to the methodologies for its suite of global palm and lauric oil methodologies to give more insight into how these prices are assessed. It is also clarifying the timing and monthly rolls of several assessments. Fastmarkets has observed growth and market interest in these prices and wishes to give more […]