Cangzhou Changhui Sealing Head Manufacturing Co., Ltd. (tsohon Changsheng Sealing Head bututu hat masana'antu) aka kafa a 2001, shi ne a kasar Sin bututu kayan aiki samar da tushen Salshancheng kudu masana'antu yankin, shi ne a Bohai yammacin bakin teku, da kyakkyawan wuri, sufuri ne sosai m. Our kamfanin ne daya daga cikin gida kyakkyawan rufi, bututun hat, masana'antun. Fasaha kayan aiki tsari ne a gaban masana'antu masana'antu da sanyi da zafi juyawa da 3500T, 1200T, 1000T 500T, 315T, molded da yawa samar da layi, 6000mm * 6000mm * 2000mm dumama reflector, mataki daya dabara φ6200mm * 40mm babban juyawa inji daya φ2800 * 20mm flip inji daya, φ6000mm * 40mm matsa drum inji daya da dai sauransu daidaita da ci gaban bukatun fuskar kasuwa, da kuma sanye da ci gaba da bincike kayan aiki, X-ray bincike, magungutsi foda, spectrum, kauri gauge, da sauransu masu bincike masu kimiyya masu fasaha da yawa. Changhui shugaban jerin; Za a iya samar da daban-daban bango kauri, daban-daban kayan oval rufi kai, hatimi kai Butterfly rufi kai Air matsin lamba tanki kai, kumfa tanki kai, mai tanki kai, ruwa tanki kai daban-daban tanki kwantena kai Thin bango kai, babban diameter kai Standard kai Ball-irin kai, Butterfly kai, Flat kasa kai, kyakkyawan darajar kai Non-misali kai Edgeless kai, boiler kai, babu kai tsaye kai conical kai Ramin mutum, makafi allon, flange, tace rufi da dai sauransu. Kayan rufi suna carbon karfe (A3, 20 #, Q235), bakin karfe, karfe mai haɗin gwiwa, aluminum, titanium, jan ƙarfe, nickel da nickel mai haɗin gwiwa. Pipe cap jerin za a iya samar da; National Standard bututu Cap, Amurka Standard, Jamus Standard, Ranar Label bututu Cap. Hakanan za a iya tsara daban-daban non-daidaitaccen rufe kai bututun hats bisa ga abokin ciniki bukatun. Kamfaninmu ya bi ka'idar "ingancin cin nasara gaskiyar kasuwanci", yana ƙoƙarin samar da gamsuwa da tabbatarwar samfuran masu amfani. Barka da abokai daga duk duniya zuwa Changhui ziyarci, jagora da kuma tattauna kasuwanci kayayyakin a duk faɗin kasar da abokan ciniki yabo!