Treatment charges for zinc concentrates have widened in the first half of August, with the market seeing minimal spot business ahead of what was expected to be large-scale buying from Chinese smelters later in the year.
Fastmarkets' assessment of the zinc spot concentrate TC, cif China, widened downward to $75-90 per tonne on Friday August 13, from $78-90 per tonne two weeks earlier. After years of volatility, terms have traded in a narrow $60-90 per tonne range throughout this year.Of these areas, Guangxi was the hardest hit,...