Cangzhou Changhui Sealing Head Manufacturing Co., Ltd. (cɔl Changsheng Sealing Head Pipe Hat Factory) looi në ruöön de 2001, yen tɔ̈u yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen Kɔmpaniɛnde ee raan töŋ de kɔc cï puɔ̈l, kɔc cï puɔ̈l, kɔc cï puɔ̈l, kɔc cï puɔ̈l. Technology equipment process is in the front of the industry factory with cold and hot spinning and 3500T,1200T,1000T 500T,315T,molding multiple production lines,6000mm*6000mm*2000mm heating reflector,step-by-step φ6200mm*40mm large spinning machine one φ2800*20mm flip machine one,φ6000mm*40mm press drum machine one and so forth adapted to the development needs of the sealing head market,and equipped with advanced testing equipment,X-ray detection,magnetic powder,spectrum,thickness gauge,etc. Changhui header series; Can produce 18-10000mm caliber of various wall thickness, various materials elliptical seals, stamping seals butterfly seals air pressure tank seals, foam tank seals, oil tanks, water tanks various tank container seals thin wall seals, large caliber seals standard seals ball seals, butterfly seals, flat bottom seals, aesthetic seals non-standard seals no edge seals, boiler seals, no straight edge seals cone seals human holes, blind plates, flanges, filter covers etc. Kä ye kek looi aye carbon steel (A3, 20#, Q235), stainless steel, alloy steel, aluminium, titanium, copper, nickel ku nickel alloys. Pipe hat series lëu bï ya looi; National standard tube hat, American standard, German standard, Japanese standard tube hat. A lëu bï ya looi ka tɛ̈n yenë kɔc kɔ̈k wïc, ka tɛ̈n yenë kɔc kɔ̈k wïc. An company adhere to the principle of "quality wins integrity business", seeking to provide users with satisfactory, confident products. An company adhere to the principle of "quality wins integrity business", seeking to provide users with satisfactory, confident products. An company adhere to the principle of "quality wins integrity business", seeking to provide users with satisfactory, confident products. Welcome to friends from all worlds to Changhui visit, guide and negotiate business products all over the country. Welcome to friends from all worlds to Changhui visit, guide and negotiate business products all over the country. Welcome to friends from all worlds to Changhui visit, guide and negotiate business products all over the country. Welcome to friends from all worlds