As a professional manufacturer in control valve, executive system, and the assistant department? We company always apply ourselves to develop high quality and technical instrument. By now, we company have more than 50 systems of products, which contains over 2000 models valve and 30 types of attachment. Our products are widely used in petroleum industry, chemical industry, smeltery, light manufacturing, papermaking, medicine producing, food-processing, municipal Environmental Protection and many other industry where automatic control is needed.