After a review and consultation with the market, which ended on January 27, from Wednesday February 3 Metal Bulletin will price the molybdenum concentrate Chinese free market on a weekly basis, rather than twice-weekly as it did previously.  

All other aspects of the specification will remain unchanged.

The chemical specification and frequency is therefore as follows:

Price: Molybdenum concentrate MB Chinese free market, 45% Mo in warehouse China RMB/mtu
Currency/unit: Yuan per tonne
Mo: 45% min
SiO2: 9% max
As: 0.01% max
Sn: 0.02% max
P: 0.02% max
Cu: 0.25% max
Pb: 0.15 max
CaO: 2.7% max
Bi: 0.05% max
Form: Powder
Basis: In-warehouse China
Assessment: On Wednesdays by Metal Bulletin’s Shanghai 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 Wednesday
Payment terms: Cash, other payment terms normalised
Min lot size: 50 tonnes
Form: Powder

Please contact Echo Ma, the reporter responsible for the noble alloys price assessment based in Shanghai, to comment or participate in pricing at

If you have any questions about Metal Bulletin’s general pricing methodology and policy, please contact Metal Bulletin market data and compliance manager Paolo Sorze at or Metal Bulletin editor Alex Harrison at

Echo Ma