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E-mail: info@sinovogroup.com We know that we only thrive if we will guarantee our combined cost competiveness and high-quality advantageous at the same time for Manual Boring Tool, Double Core Barrel, Jet Line Boring Machine, Casing Oscillator,Portable Boring. Warmly welcome to cooperate and develop with us! we will continue to provide product with high quality and competitive price. The product will supply to all over the world, such as Europe, America, Australia,Hamburg, Rio de Janeiro,Ottawa, Guatemala.Our items have been obtained more and more recognition from foreign clients, and established long term and cooperative relationship with them. We`ll supply the best service for every customer and sincerely welcome friends to work with us and establish the mutual benefit together.