On Wednesday, most of the base metals gained a bit as Shanghai zinc touches over 1-year high. The significant highs emerged after investors centered on stretched inventories and the continuing talks on the U.S.-China trade relations.

Robert Lighthizer, the U.S. Trade Representative and Steve Mnuchin, Treasury Secretary are supposed to turn up in Beijing on later Wednesday for the ongoing trade talks. The trade talks will be aimed to resolve a long-running row, which has weighed metal prices.

Over in London, MZN-STOCKS, Metal Exchange zinc stocks, fell to the lowest in 28 years. On the other hand, the metal utilized to galvanize steel gained 1.5 percent on Tuesday. In China, the top zinc prices are also good enough.

Shanghai Zinc, which is the highest traded zinc contract on the Shanghai Futures Exchange, climbed 2.1 percent to $3,344.46 per tonne. It marks the highest numbers since March 7, 2018. Meanwhile, the contract ended the session with 22,210 yuan at 1 percent higher.

Open interest of Shanghai zinc climbed to 632,310 loads as reaching the uppermost since July 2017. In the meantime, London’s three-month zinc dropped 0.5 percent to trade at $2,858.

On Tuesday, the premium of Zinc Spreads over 3-month contract CMZNO -3 remained at $47 each tonne after climbing up from Monday’s $10.50. This clearly indicates a tighter impending supply.  However, the LME zinc stocks fell to the lowest to 56,425 tonnes since 1991. On the other hand, MCUSTC-TOTAL, copper inventories have slipped for the straight seven days to 172,275.

Other metals like Nickel rose 1.4 percent to 100,930 yuan per tonne in Shanghai, whereas Shanghai copper added 0.3 percent for 48,390 yuan each tonne. Over in London, copper climbed 0.1 percent to end with $6,338 and aluminum gained 0.5 percent to trade at $1,899.