Japanese suppliers continue to inherit the industry tradition, occupying a large market share in Japanese car companies, and also entering the European, American and Chinese local car market. Powder metallurgy and aluminum die casting are also involved. Both have the ability to independently develop and produce phasers and OCVs. In addition, Toyota and Honda can develop and produce VVT systems on their own.
Denso's main customers are Toyota, Hyundai, Kia and Citroen Citroen, and are currently conducting new business with Volkswagen. Its components have been completely made in China. Due to the large-scale use of the aluminum VVT system, the cost is low.
Hitachi has worked closely with Honda and Nissan and is interested in introducing new technologies to local OEMs. Its parts are currently partially localized. It is also cost-effective to use the aluminum VVT system on a large scale.
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