WELCOME TO HAOHUA
Quality Assurance
Contact Us

JIANGSU HAOHUA INDUSTRY GROUP
Tel: +86-512-58220050
Fax: +86-512-58810865
E-mail: sales@haopipe.com
MSN:    haopipe@hotmail.com
Skype:  haopipe

Quality Assurance

Quality is the cornerstone of Haohua's success. All of Haohua's products comply with international standards and specifications. For API standard, Haohua is holding API 5L/5CT/2B/5LD certificates.Quality is the cornerstone of Haohua's success. All of Haohua's products comply with international standards and specifications. For API standard, Haohua is holding API 5L/5CT/2B/5LD certificates.

Haohua maintains a quality assurance system in accordance with the ISO9001 international standard, implemented through a team of qualified quality assurance and control inspectors. The inspectors are responsible for monitoring each step of the manufacturing process by applying various tests, including steel plate ultrasonic test, welded seam ultrasonic test weld seam X-ray test, hydraulic test and flattening test etc. They are also responsible for providing data for factual and making analyses of the qualities of products to ensure that customer requirements are met to the fullest.

  

 


 

 

Haohua has achieved the following international quality certifications:

Year

Certifications

Authority

1996

ISO9001

Hong Kong Quality Assurance Agency

1996

API

American Petroleum Institute

1999

CE

Lloyd' s Register of Shipping

2002

BV

Bureau Veritas

2004

ISO9001 ISO14001 OHSAS18001

China Quality Certification Centre

2006

DNV

Det Norske Veritas

2011

CNAS

China National Accreditation Service for Conformity Assessment

2011

ASME

American Society of Mechanical Engineers

2012

CMS

China CMS (Issuing Authority)

 

Owners certification 

SHELL

PDO

KOC/KNPC

Petronas

TAKREER/ADCO/GASCO

ONGC

Ecopetrol

Repsol

Anglo America

SASOL

CNRL/Syncrude

 

 

Haohua has a laboratory that is certified to national standards and approved by China National Accreditation Service for Conformity Assessment (CNAS). The laboratory is equipped with various testing instruments such as universal material tester, low temperature impact tester, drop-weight tear tester (DWTT), hydrogen induced cracking (HIC) tester, sulfide stress corrosion cracking (SSC) tester, Crack-Tip Opening Displacement (CTOD) tester, computerized vacuum direct-read automatic spectrum analysis instrument for chemical composition analysis and microscope. The measuring room with six established standards has achieved the ISO10012:2003 AAA certificate. All measuring instruments are calibrated and certified.

 

 

Organization Chart Of Quality Management System

 

 

 

Friendly link: Stainless coils tubing | Titanium Alloy steel pipes | U tubes | Finned tubes | Ferritic Stainless Steel Pipes | Duplex Stainless steel pipes | Austenitic stainless steel pipes | Nickel Alloy steel pipes |
JIANGSU HAOHUA INDUSTRY GROUP
Tel: 0086-512-58220050 Fax:0086-512-58810865 E-mail: sales@haopipe.com
Add: No.17,Southeastern Avenue, Economic Development Zone (South Area),Zhangjiagang City, Jiangsu Province, China.