China is planning to adopt a new law that seeks to crack down on sweatshops and protect workers’ rights by giving labor unions real power for the first time since it introduced market forces in the 1980’s. The move...is setting off a battle with American and other foreign corporations that have lobbied against it by hinting that they may build fewer factories here...The proposed law is being debated after Wal-Mart...was forced to accept unions in its Chinese outlets...The skirmish has pitted the American Chamber of Commerce — which represents corporations including Dell, Ford, General Electric, Microsoft and Nike — against labor activists and the All-China Federation of Trade Unions...China’s Labor Ministry declined to comment Thursday, saying the law is still in the drafting stages. Several American corporations also declined to comment on the case, saying it was a delicate matter and referring calls to the American Chamber of Commerce...[also refers to Goodyear]