Steel Flanges,Pipes,Pipe Fittings

Our company put the quality and reputation on the first position. We initiate the culture of enterprise. We got acclaim from customers by superior products and good service. The “Haihao” brand products will go towards the world successfully. And our group established a laboratory of quality inspection with the Supervision Bureau of Quality and Technology of China.We have been a long terms partner with CNPC and SINOPEC .Then our main raw material, the pipes for the oil casing pipe,the pipe fittings and other raw material for flanges are all supplied by?Bao steel group and Shougang steel group which belong to Chinese government .

 CHINESE NATIONAL  PETROLEUM CORP (CNPC)CHINESE NATIONAL
PETROLEUM CORP (CNPC)

SINO PETROLEUM CORP (SINOPEC)

SINO PETROLEUM CORP (SINOPEC)

Malaysia Anggerik Laksana Sdn Bhd

Malaysia Anggerik Laksana Sdn Bhd

HYUNDAI STEEL

HYUNDAI STEEL

PAKISTAN STEEL MILLS CORPORATION (PVT)LTD

PAKISTAN STEEL MILLS CORPORATION (PVT)LTD

PEMEX (Petróleos Mexicanos)

PEMEX (Petróleos Mexicanos)

Chevron Corporation

Chevron Corporation

CONSTRUCTION DEVELOPMENT COMPANY LLC

CONSTRUCTION DEVELOPMENT COMPANY LLC

Kuwait Kuwait Ministry of Electricity and Water

Kuwait Kuwait Ministry of Electricity and Water

 

Sembcorp Marine Ltd

Sembcorp Marine Ltd

ENGRO CHEMICAL PAKISTAN CO,LTD

ENGRO CHEMICAL PAKISTAN CO,LTD

WEST PACIFIC PETROCHEMICAL COMPANY CO.,LTD DALIAN

WEST PACIFIC PETROCHEMICAL COMPANY CO.,LTD DALIAN

Aluminum Corporation of China

Aluminum Corporation of China

Allied group

Allied group

Bangladesh SUMMIT MEGHNAGHAT POWER COMPANY LIMITED

Bangladesh SUMMIT MEGHNAGHAT POWER COMPANY LIMITED

 

Ayvaz A.S.

Ayvaz A.S.

BULGARTRANSGAS

BULGARTRANSGAS

 

‘KazStroyService Global B.V.

‘KazStroyService Global B.V.

SGCS Société la Grand Commerce du Sud

SGCS Société la Grand Commerce du Sud

VELOCITY ENERGY PTE LTD

VELOCITY ENERGY PTE LTD

Petrobras Brazil.

Petrobras Brazil.

MECH-POWER GENERATOR PTE. LTD

MECH-POWER GENERATOR PTE. LTD

matforce csi-new Blaise Diagne International Airport

matforce csi-new Blaise Diagne International Airport

Keppel Singmarine pte.ltd

Keppel Singmarine pte.ltd

Kramer & Best

Kramer & Best

 

ELECTRIC POWER CONSTRUCTION

ELECTRIC POWER CONSTRUCTION

BEIJING GAS GROUP COMPANY

BEIJING GAS GROUP COMPANY

KazStroyService Global B.V.

KazStroyService Global B.V.