Key Takeaways:JS Global Lifestyle’s profit fell 37% last year, as it blamed growing competition in its main China market following a spinoff of most of its global businessThe kitchen appliance maker’s spinoff of its U.S.-based SharkNinja unit reflects a growing trend among Chinese companies that are separating their global and China businessesBy Doug Young Lots has been happening lately in the kitchen of appliance maker JS Global Lifestyle Co Ltd.(1691.HK). Most recently, the maker of gadgets like coffee makers and blenders warned this week that its profit fell nearly 40% last year. But the bi…