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Hydrogen fuel cells are able to directly convert chemical energy into electrical energy more efficiently and cleaner than traditional combustion engines. The acceleration of fuel cell technology has created opportunities within the transformation of energy. Heben cooperates with the world’s leading enterprises, seizing the core fuel cell parts market with its technical advantages and expertise in machining precision. We can produce at a tolerance cylindricity of just 3μm, which substantially exceeds industry cylindricity of 5μm.