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Jiangyin Zhonghai Precision Machinery Co., ltd. has been in manufacture of flanges for many years. We adopt advanced, efficient and mature production management mode. Our main prouducts are blind flange, plate flange, slip on flange, socket welding flange, lap joint flange, welding neck flange, and so on. Our company's products are in according with GB, ASTM, JIS, EN and other standards for production. Materials can be provided such as, stainless steel, carbon steel and other materials. Our flanges are widely used in automotive, petroleum, chemical, boiler, power, instrumentation, semiconductors, laboratories and other high-end fields. Quality first and customer service are our purpose. We are willing to create a brighter future with you!