I-DHDZ ngumgangatho wesizwe kunye nabavelisi be-neck flange. Inkampani inamandla obugcisa obuqinileyo, inokuyila kwaye ivelise iinkcukacha ezizodwa ezahlukeneyo zeemveliso zokufaka umbhobho ngokweemfuno zomsebenzisi. Ngokuhlolwa kwe-metallographic, uvavanyo lomzimba, uhlalutyo lweekhemikhali, uvavanyo olungonakalisi kunye nezinye izixhobo zovavanyo oluphambili kunye neendlela.
Abavelisi be-Flange babandakanyeka kakhulu: i-gb neck flange, i-neck flat welding flange, i-neck butt welding flange, i-neck non-standard flange kunye nezinye iintlobo ze-neck flanges. Ndityala inenani elikhulu labasebenzi bemibhobho yobuchwephesha bomqolo, izixhobo zokubumba eziphambili kunye ne-spectral metallography, ukubhaqa isiphene, uvavanyo lomzimba kunye neekhemikhali kunye nezinye izixhobo zovavanyo ezipheleleyo, inkampani iphumeza ngokungqongqo inkqubo yolawulo olusemgangathweni. Kusekwe inkqubo yoqinisekiso lomgangatho wenzululwazi, inkqubo yoqinisekiso lomgangatho ogqibeleleyo kunye nobugcisa bokwenziwa kwezenzululwazi buqinisekisa ngokufanelekileyo umgangatho wemveliso.

DHDZ Flange abavelisi bamisela isebe lolawulo lomgangatho kunye neziko lovavanyo, kunye nokufakelwa kombhobho woxinzelelo oluphezulu kunye nokufakwa kombhobho woxinzelelo oluphakathi kunye noxinzelelo oluphantsi iinkqubo ezimbini zovavanyo, imisebenzi yokuvavanya igqityiwe, izixhobo zovavanyo kunye nezixhobo zikwinqanaba eliphezulu lamazwe ngamazwe nasekhaya, Kukho i-X- Ukufunyaniswa kwesiphene se-ray, ukufunyaniswa kwesiphene semagnethi, ukubonwa kwesiphene se-ultrasonic, uhlalutyo lwe-metallographic, uvavanyo lweekhemikhali, uvavanyo lwepropathi yoomatshini, uvavanyo lwempembelelo, uvavanyo loxinzelelo lwamanzi, uvavanyo lwe-spectral, ukujonga infrared kunye nezinye izinto zovavanyo.
China gb neck flange abavelisi - winile ngokomgangatho, ingeniso encinane kodwa umgaqo imbuyekezo ekhawulezayo, rhoqo iqhubela phambili, kukhuphiswano oluqatha kwimarike, ngentsebenziswano elungileyo kunye nomoya wenkonzo onyanisekileyo ukuphumelela uninzi lwabathengi ithemba kunye nophuhliso olukhawulezayo. Ukuqhubela phambili, ukufuna ukugqwesa, ukufunda ngokuqhubekayo, ungaze waneliseke yinkolelo yabathengi bethu ukwenza imeko yokuphumelela kabini, ukudala ikamva elingcono.