Yantai Xingda Valve Co., Ltd. specializes in the production of rubber gate valves, American standard gate valves, Australian standard gate valves, British standard soft-sealed gate valves, rising stem gate valves, rising stem soft-sealed gate valves, socket type gate valves, elastic seat seal gate valves, Y-type filter sizes, large-size gate valves, gate valves with electric heads and other products. The company has strong technical strength, excellent equipment, and a complete testing system. The annual production capacity is 100,000 units.

Yantai Fengyuan Mineral Products Co., Ltd.-Yantai Fengyuan Mineral Products Co., Ltd. was established on August 6, 2012. The company mainly produces, processes and sells micron-grade and nano-grade talc powder, calcium carbonate powder, dolomite powder, wollastonite powder, feldspar powder, barium sulfate, silicon micropowder, magnesium hydroxide powder and other high-quality mineral products.

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Chinese Journal of Geotechnical Engineering is a journal of architectural science and engineering, sponsored by Chinese Hydraulic Engineering Society, Chinese Civil Engineering Society, Chinese Society of Mechanics, Architectural Society of China, Chinese Hydropower Engineering Society, and Chinese Society of Vibration Engineering. Its domestic unified serial number is 32-1124/TU, and its international standard serial number is 1000-4548. It is published monthly and is distributed domestically and internationally.

Hunan Yuxiang Traction Electric Co., Ltd. is a professional electric locomotive sales company with a complete product line, standardized management system, and a sales network covering the whole country and many countries. The products sold have obtained the production license, safety standard certificate, and coal safety certificate of the National Safety Standard Center and the National Coal Safety Center for mining electric locomotives, DC traction motors, and mining frequency conversion motors. It has a great influence among companies in the same industry across the country and is also a member of the China Traction Electric Industry Association. DC motors are the traction power of industrial and mining electric locomotives. Our company has many years of production and development history. It has now formed a production capacity of more than 60 varieties in 26 series. Our products are designated as designated traction motor supply products by most electric locomotive manufacturers. More than half of the locomotives on the market use our traction motors. As a locomotive production and sales company, we have been committed to product quality control and after-sales service for many years. Not only for the planning, design, manufacturing, and installation of locomotives, but also attach great importance to the "full life" process of the product, including the use, maintenance, modification, and scrapping of locomotives. Comprehensive design and use maintenance

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Yantai Guangshun Chemical Products Co., Ltd. is a technology-oriented enterprise mainly engaged in the production, sales and construction of outdoor epoxy resins, hydrogenated epoxy resins and their series of products. Guangshun Company has strong market competitive advantages and a professional construction team. Tel: 18660521866

Yantai Guotai Building Reinforcement Co., Ltd. is a professional building reinforcement and renovation company that was first engaged in building (structure) inspection and appraisal, reinforcement design and construction in Shandong Province.