An kafa shi a cikin 2000, COVNA ƙwararren ƙwararren bawul ne na shekaru 22 a China.Muna ba da bawuloli na ƙofar kunnawa a nau'in lantarki da nau'in huhu don biyan buƙatun ku daban-daban.Taimaka muku sarrafa nesa da sauƙi.Maraba da duk wani tambaya daga gare ku.Tuntube mu asales@covnavalve.com

Crane Fluid System yana ɗaya daga cikin manyan samfuran Crane Co, yana ba da jerin nau'ikan bawuloli na gabaɗaya, kamar bawul ɗin ƙofar kofa, bawul ɗin ball, bawul ɗin malam buɗe ido, bawul ɗin globe da sauransu.Kayayyakin na iya yin hidima ga masana'antar ginin jirgi, tsarin dumama da sanyaya, tsarin kula da ruwa, sarrafa abinci da sauransu.
Tsarin samar da Tsarin Crane Fluid System yana daidai da ƙa'idodin ISO9001 na duniya don tabbatar da ingancin samfur.Ana samun duk bawuloli na Crane a nau'in hannu da nau'in sarrafa kansa.

An kafa MSA a cikin 1885 kuma alama ce ta TMK.Kayayyakin sa sun haɗa da bawuloli masu sarrafa kansu da valvs ɗin hannu kamar bawul ɗin ƙofar kofa, bawul ɗin globe, bawul ɗin ball, bawul ɗin malam buɗe ido da sauransu.MSA ta himmatu wajen samar da ingantattun hanyoyin sarrafa tsari don mai da iskar gas na duniya, tsarin jigilar bututun mai, da tsarin sarrafawa.
MSA tana samar da samfurori daidai da ƙa'idodin ƙasashen duniya da ƙa'idodin EU.

An kafa Babcock Valves a cikin 1967 kuma yana da fiye da shekaru 50 na ƙwarewar bawul.Ƙwarewar arziƙi tana ba su damar fahimtar bukatun masana'antu daban-daban sosai.Babcock Valves na iya samar muku da hanyoyin sarrafa kwararar da aka ƙera.Kayayyakin Babcock Valves sun haɗa da bawuloli masu sarrafa kansa, bawul ɗin globe mai sarrafa kansa, bawuloli masu sarrafa kansa, bawul ɗin malam buɗe ido, da sauransu, masu hidima ga masana'antar samar da wutar lantarki, masana'antar petrochemical, masana'antar mai da iskar gas, tsire-tsire na ruwa, da sauransu.

An kafa Tecofi a cikin 1985 kuma yana da hedikwata a Faransa.Tecofi na iya samar da hanyoyin sarrafa tsari na musamman bisa ga buƙatun ku, haka kuma yana ba ku tallafin fasaha don taimakawa aikin ku ya yi kyau.
Kayayyakin Tecofi sun haɗa da bawuloli na ƙofar kunnawa, bawul ɗin ƙofar wuƙa, bawul ɗin wutan lantarki, bawul ɗin daidaitawa, bawul ɗin ƙwallon ƙafa da sauransu.Samfuran na iya yin hidimar samar da ruwa, masana'antar HVAC, masana'antar takarda, shukar gas da sauransu.

An kafa Belgicast a cikin 1957 don samar da ƙwararrun mafita don fasahar kula da ruwa ta duniya.Samfuran masu fa'ida na Belgicast sun haɗa da bawul ɗin ƙofar kofa, bawul ɗin malam buɗe ido, bawul ɗin duba, da sauransu, waɗanda za a iya amfani da su da kyau a masana'antun sarrafa ruwa daban-daban.Ana yin samfuran Belgicast a Turai.Tsarin samarwa ya dace da ƙa'idodin EU da ƙa'idodin ƙasashen duniya.