Eaton Corp. expands in China with a joint venture with Shanghai Pudong Valve Factory and Asian Nittan Pte Ltd. to manufacture and sell automotive and motorcycle engine valves and hydraulic valve lifters for the Chinese market. Production will be in an existing facility . . . Lear Corp. signs agreements to acquire four European suppliers. Italian-based Gruppo Pianfei SrL and Strapazzini Resine SrL make door panels and headliners. U.K.-based A.W. Chapman Ltd. and A.W. Chapman Belgium produce seat tracks and seat height adjusters.