Zinc concentrate TCs rise in China as import arbitrage deteriorates

Treatment charges (TCs) for zinc concentrates shipped into China increased in the two weeks to Friday October 10, with deteriorating import arbitrage conditions driving smelters to push for another increase in the processing fees, sources told Fastmarkets

Key takeaways:

  • Zinc concentrate TCs in China rose to $100–120/t on Oct 10, with some deals clearing above $130/t; sub-$100/t TCs are now rare and sentiment remains that charges will keep rising.
  • Import arbitrage has worsened (loss widened to $488.50/t), steering smelters toward domestic feed and away from spot imports; domestic concentrates are roughly 1,000–1,500 yuan ($140–210)/t cheaper than imported.
  • Trader long positions are adding near-term fee pressure, but the pace of TC increases may slow toward the end of Q4 as smelting capacity ramps and winter restocking needs are met.

Persistent gains in zinc concentrate TCs as market turns supportive

Fastmarkets’ twice-monthly assessment of the zinc spot concentrate TC, cif China rose by 7.32% to $100-120 per tonne on October 10, up from $95-110 per tonne a fortnight earlier.

Some smelters are concluding deals to pay processing fees above $130 per tonne, sources in China and Europe told Fastmarkets, adding that sellers are finding it difficult to secure TCs below $100 per tonne.

Zinc TCs have maintained their upward moment ever since the charges flipped into positive territory in January.

“I don’t think there are [concentrates sales] that could be concluded at TCs below $100 per tonne,” a trader based in Shanghai said.

TCs are now generally above two-digit levels and “its certain they will continue to go up,” a European trader said.

Import arbitrage squeezes spot buying

Continuously weakening import arbitrage conditions have resulted in Chinese smelters preferring to buy concentrates locally, limiting activities on the spot market for importing, some sources said.

“Due to the huge arbitrage loss, we did not buy many imported feeds recently,” a smelter source in central China said.

Fastmarkets’ zinc import arbitrage calculation widened further to a loss of $488.50 per tonne on Friday October 10, from a loss of $439.58 per tonne on September 26.

Domestic vs import zinc concentrate pricing gap widens

The arbitrage calculation means that domestic concentrates are cheaper compared with imported ores by about 1,000-1,500 yuan ($140-210) per tonne, a third trader said.

Zinc concentrates rich in by-products such as copper are, however, still finding takers among some smelters, although the TCs have continued to rise on the back of ample supplies, a fourth trader said.

Zinc concentrate TCs face upward pressure from trader positions

And a fifth trader said that those holding material they might want to sell in the future could also continue to push up the processing fees.

“There are some traders holding very long positions which they need to liquidate,” the fifth trader said. “I believe the TCs are going to keep rising.”

Still, there is growing scepticism that the positive momentum in the TCs will last, because smelting capacity is expected to increase in the fourth quarter.

Smelters have been restocking with raw materials for production during winter, a sixth trader said.

“[The] increase in TCs may [begin to] slow down at the end of the fourth quarter,” the sixth trader added.

Known for its exceptional anti-corrosive abilities, zinc is extensively utilized in the construction and automotive sectors. Learn more about our zinc price data options.

What to read next
Fastmarkets has decided to launch two weekly price assessments for graphite flake 94% C, -100 mesh and graphite flake 94% C, +80 mesh on an ex-works China basis on Thursday April 16.
Fastmarkets has corrected the rationale for its MB-LI-0033 Lithium hydroxide monohydrate LiOH.H2O 56.5% LiOH min, battery grade, spot price cif China, Japan & Korea, which was published incorrectly on Thursday April 9 due to a typo. The published rationale for MB-LI-0033 Lithium hydroxide monohydrate LiOH.H2O 56.5% LiOH min, battery grade, spot price cif China, Japan […]
Discover the latest tissue paper market trends in China. Learn why China tissue jumbo roll prices are fluctuating and what it means for buyers and mills.
Fastmarkets has decided to launch a bi-weekly price assessment for Chinese grain-oriented electrical steel (GOES) on Friday April 17. The decision follows a one-month consultation period which ended on April 4. The demand for GOES grew alongside the rapid expansion of industries such as power transmission, energy storage, artificial intelligence (AI) data centers, and electric vehicle (EV) […]
The publication date for Fastmarkets’ Chinese tissue jumbo rolls assessments has been corrected to April 3, 2026, from April 1, 2026.
Fastmarkets proposes to amend the publication times and holiday pricing schedule for a number of its base metal assessments for the Asian market, with the proposed changes to come into effect from Monday May 18.