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Dongya Valve Factory is a professional designer and producer of industrial piping valves, flanges and pipes. It boasts over 20 technicians, more than 100 middle and high grade mechanics, complete assembling and examing equipment and rich experience of valve design and manufacture. The quality of products are stable and reliable. The factory has over 40 years history of valve design and manufacture. Its main products are high and middle pressure cut-off valves, gate valves, check valves, throttles, ball valves and special function valves, especially copper and low carbon valves. The design is reasonable, the technology is strict, the quality is stable, safe and reliable. So far, there are 600 specifications,60 series of valves. Among them the ball valves, type DN150-25 and type DN200-25, are high quality products of The Chemistry Industry Department. The factory also produces full set of carbamide grade valves. Talking about flanges and pipes, our factory is the first appointed producer of HGJ standard flanges in China examined and approved by the Chemistry Industry Department Chemical Technologic Tubing Design & Technique Committee.

a professional designer and producer of industrial piping valves, flanges and pipes.