Xuyang Coal Chemical Group was established in 1995. After more than a decade of development, it has become a large coal coke chemical enterprise group integrating four major business sectors: coal, coke, chemical, and domestic and international comprehensive trade. It is one of the largest coal chemical product manufacturers and suppliers in China.

Shantou Kaiqia Chemical Co., Ltd. was established on October 17, 2012. The company's business scope includes: production and sales of chemical additives and daily chemicals (excluding hazardous chemicals); Import and export of goods, technology, etc. Since Wuhan Tuoyou and Kaiqia Chemical met in September 2019, we have been cooperating for nearly 3 years. Tuoyou Intelligent Valve Positioner has been working stably and receiving high praise.

Sinopec Shengli Oilfield Dongying Gudao Compressor Station, with a total investment of 350 million yuan, has selected TORLEO Tuoyou Intelligent Valve Positioner and Fisher Positioner from the United States as supporting equipment. Zero malfunctions have been achieved since its use

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