On June 2, the natural rubber market in the Qingdao region continued its upward trend. Shanghai rubber futures maintained elevated levels, and market inquiries were driven by actual demand; consequently, suppliers raised their quoted prices. Mainstream quotes for 2024-vintage Yunbao, Guangken, and Haibao brands ranged from 17,900 to 18,200 RMB/ton; for 2025-vintage Yunbao, Guangken, and Haibao, mainstream quotes were between 18,200 and 18,500 RMB/ton; and Vietnam 3L rubber was quoted mainly between 18,250 and 18,550 RMB/ton.

Regarding the spot market, natural rubber prices in the Qingdao region trended upward on June 2. With Shanghai rubber futures maintaining high levels and market inquiries driven by demand, suppliers raised their offers. Mainstream quotes for 2024-vintage Yunbao, Guangken, and Haibao stood at 17,900–18,200 RMB/ton; the same brands for the 2025 vintage were quoted mainly at 18,200–18,500 RMB/ton; and Vietnam 3L rubber was quoted primarily at 18,250–18,550 RMB/ton, indicating strong support for spot prices. In the futures market, the benchmark natural rubber contract (SR2609) on the Shanghai Futures Exchange closed at 18,065 RMB/ton on June 1—an increase of 115 RMB/ton from the previous trading day. Open interest rose by 3,252 lots, reflecting a strengthening correlation between the futures and spot markets, which provided a generally positive boost to natural rubber prices.

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