No. Sun Earth & ampU bag is a niche brand in Japan. Lotte backpack in Japan is a brand of stylebox Co., Ltd., and its domestic agent is Zhenguang (Shanghai) Trading Co., Ltd. Lotte backpack is not a fake at first glance. Although there are many fakes, the products bought in specialty stores are basically true. Pinduoduo is the mainstream e-commerce application product of domestic mobile Internet and a third-party social e-commerce platform focusing on C2M group purchase.