Tests suggest gyoza contaminated in China The Yomiuri Shimbun Following a police examination of packs of six frozen gyoza returned from a shop in Hirakata, Osaka Prefecture, police are increasingly of the opinion that the Chinese-made frozen gyoza dumplings were contaminated with a pesticide, methamidophos, in China, according to sources. Meanwhile, Japan Tobacco Inc., the parent company of Shinagawa Ward, Tokyo-based JT Foods Co., which imported the products, spoke Monday about the operations at the Tianyang Food Processing factory in Hebei Province, China. "Using a process of elimination we came to the natural conclusion the products were contaminated with the...