Chinese companies are expected to cancel most of the remaining soybeans they have committed to buy from the U.S. in the year ending Aug. 31 once the extra tariff on U.S. imports takes effect from Friday. China is the world’s top soybean buyer and has yet to take delivery of about 1.14 million metric tons of U.S. soybeans booked for the current marketing year. China had resold some 123,000 tons of committed deliveries to Bangladesh and Iran.