Shandong Tongrui Mining Technology Co., Ltd.

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1 2 3 I'm Online Chat Now!Shandong Tongrui Mining Technology Co., Ltd was founded in 2007 in Tai an, Shandong, China. In 2011 we set up GSI(Ground Support Industries Co., Ltd) for selling and promoting the products of Tongrui under the brand name of Tightlok. Our office and factory are very near to both Qingdao and Tianjin Seaport, which makes the exporting of our products effectively, economically and quickly. We are a very professional Ground Support Products Manufactory. Over the years, by working together with many famous technicians and experts including professors from ShanDong Science & Technology University (formerly known as Shandong Mining College in China), we have brought together good experience and innovative solutions in ground control and roof support products and services for the underground mining, tunnelling, building and construction industries. Our Tightlok Split Sets have already got very good reputation in China and Overseas.