Yamato Transport Co., Japan's leading door-to-door parcel delivery provider, said Thursday it will raise its base shipping fees for the first time in 27 years.The company has begun negotiations with major clients including Amazon.com Inc.'s Japan unit. It will also improve delivery truck drivers' working conditions, boost recruiting and install more parcel lockers for customers to receive deliveries at convenient locations such as train stations.Parcels from major corporate clients, including online retailers, account for 90 percent of Yamato's deliveries. A surge in parcels from online ret…READ FULL ARTICLE