Qingdao Ounitone International Trading Co., Ltd. is both the manufacturer and exporter in China, specialized in producing andmarketing bicycles and spare parts, chemical raw materials, electric components, high voltage apparatus. There are four factori-es of our company, which are responsible for the manufacture of the four categories. To facilitate the communication with theimporters all over the world , we relocated our headquarters to the beautiful coastal city Qingdao.
