Botou Han Yun environmental Machinery Manufacturing Co., Ltd. is located in the western suburbs of economic take-off zone Botou City, is committed to providing customers with threaded plug, threaded ring, smooth plug, smooth ring gauge, thread gauges and other products, is Domestic thread gauge professional supplier. Companies to take advantage of years of experience in design and production, optimize the product mix, seek variety, quality Stable. Enterprise autonomy has improved detection capabilities, based on user requirements and design drainage, HVAC special structural aspects of various products. My company has a strong productivity and competitiveness of the industry, the factory has a threaded plug manufacturing department, manufacturing department threaded ring, smooth plug Manufacturing Manufacturing smooth ring, thread gauges manufacturing department. Our products are widely used in the oil, chemical, coal, power plants, research, shipbuilding, environmental protection, construction, machinery, metallurgy, fertilizer, paper, energy, biomedical, refrigeration, food, beverage, pharmaceutical, hospital, precision electronics, fine chemicals, electricity, painting surface cleaning and other areas and other industries.