Professional,Smart-tech Makes

Kamailong was is rated as AAA credit rating enterprise.

Kamailong become a member of China Urban Heating Association.

Kamailong become a member of China Gas Association.

Kamailong was rated as a national high technology enterprise.

Kamailong's new plant in Haining City,Zhejiang Province was started to build,Covered the area 40,002m2.

Kamailong won the pride of national "Keep Contacts Regard Credits" in 2017.

Kamailong got the certificate of “Manufacture License of Special Equipment People's Republic of China".

Kamailong got the certificate of API607 for Ball Valve,size from 2'' and below,2 1/2'',3'', 4'',Class1500,Class2500.

Kamailong got the certificate of API607 for Ball Valve,size from 4'',5'',6'',8'',Class600,Class800,Class900.

Kamailong got the certificate of API607 for Ball Valve,size from 8'' and larger,Class150,Class300.

Kamailong got the certificate of CE.

Kamailong got the certificate of API6D.

Kamailong was is rated as AAA credit rating enterprise.

Kamailong become a member of China Urban Heating Association.

Kamailong become a member of China Gas Association.

Kamailong won the Certificate of utility model patent "One type of heating pipe welding ball valve ".

Kamailong won the Certificate of utility model patent "One type of lock type anti-theft type fully welded ball valve ".

Kamailong won the Certificate of utility model patent "One type of fully welded ball valve with filter screen ".

Kamailong won the Certificate of utility model patent "One type of heating ball valve with better insulation performance ".

Kamailong won the Certificate of utility model patent "Online maintenance of special fixed ball valves for coal chemical industry".

Kamailong was rated as a group supplier by CHD Group.

Kamailong moved to the new modern workshop located in Oubei Town industrial zone,got the certificate of"Special Equipment Manufacturing License Class A".

Kamailong got the certificate of ISO9001.

Kamailong got the certificate of ISO14001.

Kamailong got the certificate of OHSAS18001.

The company was upgraded to "Zhejiang Kamailong Valve Co.,Ltd."The registered capital was increased to 52 million RMB.

Wenzhou Kamailong Valve Co.,Ltd was establised.

Kamailong got the certificate of "Special Equipment Manufacturing License Class B".

Chairman Shengyi Xu founded "Shanghai Bernard Fluid Science and Technology Company" to introduce the advanced foreign ball valve production technology to China.