Emerson Pipe Tools (Shanghai) Co., Ltd. is a wholly-owned subsidiary of Emerson Group, a global top 500 enterprise. Shanghai RidgeTool company is headquartered in Ohio, USA. Founded in 1923, specializing in the production and sales of high-quality RIDGID brand pipe fittings, it is the largest professional pipe fitting brand in the world. Through the global sales and service network, RIDGID tools has been sold in 140 countries, with more than 300 kinds of tools and more than 4,000 models, including pipe wrenches, cutters, pipe benders, thread sets, dredgers, endoscopes and positioners. Emerson Pipe Tools (Shanghai) Co., Ltd. insists on continuous product development and innovation, and provides lifelong guarantee service for China users in combination with the company's expansion strategy.