joyson's parent company in the u.s.s the firm is reviewing data related to the matter over a 20-year period. joyson does business with several japanese automakers. toyota motors says it's told the parts maker to provide detailed data to assess the impact on safety and the need for recalls. other automakers including honda and nissan are also l looking io the issue. >>> semi conductor manufacturers are showcasing their latest technologies at an international exhibition in shanghai. it's hoped the trade fair will help boost domestic production in china. major chinese chip makers and related local anand overseas companies are taking part, displays cutting edge products including components for smart phones. >> translator: our company is gears up to try to meet china's national strategy. i'm fully confident about the future outlook. >> the exhibition comes amid deepening trade friction between the united states and china. in september washington tightened restrictions on chip supplies to chinese telecom giant huawei. earlie