Tesla Inc.‘S TSLA battery supplier Contemporary Amperex Technology Co. Limitedor CATLcalled on the Chinese government to increase safety and quality standards in the battery storage industry.

What happened: Zeng YuqunCATL chairman, called for a series of reforms and “nuclear power levels” of oversight, reported Bloomberg.

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“In recent years, the domestic battery energy storage industry has grown rapidly, but the products are of inconsistent quality, which poses new safety and reliability challenges for grid-connected operation of large-capacity battery storage systems,” Zeng said, according to the report.

Last year, Zeng, who is also a member of the National Committee of the Chinese People’s Political Consultative Conference, called for efficient use and improved recycling levels of lithium reported by China Daily.

Why it matters: Major electric vehicle manufacturers, including Tesla, rely on CATL for their batteries. Aside from Tesla, CATL, which is headquartered in China, also supplies batteries to other EV manufacturers such as: Nio Inc. NEVER.

Earlier in February Ford Motor Co. f 3.5 billion dollars invested to build the first lithium iron phosphate battery factory in the USA with the battery manufacturer.

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Continue reading: Tesla supplier CATL commands two-fifths of the global electric vehicle battery market — but this Warren Buffett-backed company has seen the fastest growth