Ocean Technology Int'l Co., Ltd was established in HongKong in 2005, its main business was done in mainland, we have offices in Shanghai, Shenzhen, Shenyang and Wuhan, we invested many projects covering digital printing inks，digital printing equipment, and hot air welders. Ocean Technology Int'l bring the newest technology into these projects. Nowadays, our customers of hot air welders are using the equipments in more than 30 countries. For the better service of these customers, we establish a factory locating in shanghai industry area. We are always trying to produce more quality TOPLINK series products.All the central technology is coming from the most priority and special company, all of our staffs are trained strictly. All of these just make our service better and high quality guaranteed.