China has issued sharp criticism of Indonesia's investment climate following the Southeast Asian nation's implementation of restrictions on nickel exports, according to recent reports. The dispute centers on Indonesia's policies affecting the global nickel supply chain, a critical component in battery production and stainless steel manufacturing.

The tension highlights growing friction between the two nations over natural resource exports and investment conditions. Indonesia, which controls a significant portion of the world's nickel reserves, has been implementing policies to encourage domestic processing of raw materials rather than exporting unprocessed ore.

China's criticism comes as Indonesian authorities face scrutiny from international markets and investors. The country is currently awaiting a verdict from MSCI, the global index provider, which could potentially result in significant capital outflows if Indonesia's market classification is downgraded.

The dispute reflects broader challenges in global supply chains, particularly for critical minerals used in green technology and manufacturing. Chinese companies have been major investors in Indonesia's mining sector, making the regulatory environment a key concern for continued economic cooperation between the two nations.

The nickel export restrictions are part of Indonesia's broader strategy to move up the value chain in natural resource processing, though this approach has created tensions with traditional trading partners who rely on Indonesian raw material exports.