dg#4994a8ffeba4ac3140beb89e8d41f174

dg#16d2b386b2034b9488996466aaae0b57

dg#2f8274f69cff221a0b99de07d652a3e0

dg#185e9c4e1fd9b782aa72fd927ae398f5
2000
dg#0cdebb92e4813cde11060f757fee04f7

dg#2885f3d277593d7ef269f179f8f39bda

Hongsheng Pipe Valve Factory was established
2006
dg#6b71fe35a35aea5ef45ece990ef47b54

dg#8389722362c5007ab563ac8600f9976d

COVNA was established
2007
dg#8e69822c7457c25bc9339c0ec17910b5

dg#94d8653bc7d78981ab95dc5b353d2cba

Hong Kong COVNA
2008
dg#de734fae6e520954b4b47dabaa4e2ba3

dg#eb79a2d0f152c2b885cb993b39f38e89

Established a team
2013
dg#4ad581eca5911dd5c7c36d0f4e44a4e1

dg#df9fb6bbeb22213e578cc1eaf2c26d6e

Certifications & Patents
2015
dg#a776a5db3f19ff2b380ad9e19fb84f1d

dg#32c4aefa540b3e32acd3e9b397fbfc1e

Ningbo COVNA
2017
dg#fdd58aee9fe6d1100d5829d54f36b39b

dg#68b2c9451c4c176f79c0e6582948f1d8

Won the title of Chinese high-tech enterprise
2017
dg#f3a60a04db4e817421bde1170b52ed8f

dg#b8851acde89b058f48ac7af222d66f94
dg#ecb9f26b1095bbe4cc2995652868a08c

COVNA Industry Salons & Valve Exhibition
2018
dg#84faa71e0ce1fde966d089a2f86f9816

dg#d3d9a2d6c5a555640e930d2c9adb9330

COVNA magazine published
2018
dg#a03cb9f76dde96a81a630a9f492082a4

dg#4f8753b5df9b6485b05af9337345b935

Wenzhou COVNA established
2018
dg#1453a27c3eab293772915c0237b5a1a4

dg#7e8a3b686097e907454dd14689b238da

Charity Events & Hope Primary School
2019
dg#4000739ecc3c664bb707dfb38f3f39a9

dg#c3b80e733ca9eabd3174d5e302881c7a

dg#c32179bd334dc22bed1b5da56002c50a

dg#6944757928436edf87aa007a02ef421f

dg#5056a5d452023558abdd943109239bd4

New Office & Tony Division
2020
dg#d0118e6e89ba816e176225cbf5c3902e

dg#e723f4adaccfe6dee6836bb949a454ac

US COVNA Division Was Established
2021
dg#f6e78f7742a4b3da3daf374f88f5ab0c

dg#28bb9b2f300b3a11741de9adb6bfd9d6
dg#9c1246dc26ab28127c2536a3b81ddfac

Stark Division re-established
logo

dg#b1e32301cd251836be8ccbd55ed4ae59

dg#f0fb2ced8aa0654a5f2ba7902d8883df

dg#9cfc9b74983d504ec71db33967591249

  • dg#6a1e265f92087bb6dd18194833fe946b

    [email protected]

  • dg#673ae02fffb72f0fe68a66f096a01347

    +86-1355-6646018

  • dg#be9469719aa6efa2fc3bd5768bc406d7

    dg#8816b4fb362d4e1120142499f0e12b81

dg#b26917587d98330d93f87808fc9d7267

dg#8de6b4d71c3832d4dda0d125e22c1691

dg#4135303bca41d8582646ee68e3c778fd
dg#87b87090108b0b84843db31a209c3b8c