Our Quality Assurance Process

We pay more attention to details and results of purchasing process, bearing in mind that high quality control, quality assurance and tight tolerances are the key to manufacturing premium products.  We review manufacturers carefully according to ISO, API, ASME, AWWA, ASTM and various other international standards

Inspect relationships between manufacturers and strategic partners

  • Performance with raw material sources
  • Performance with railway, road, shipping and cargo agents
  • Performance with employees
  • Relationships with banks

Qualification Documents

  • Business license of manufacturer
  • Organization structure code
  • Tax register annual audit
  • ISO, API, ASME and other certifications
  • Admittance qualification certificates of regions

Performance & Credit of Manufacturers

  • Records of projects
  • Advice from end-users of products
  • Interviewing third party supervisory company’s
  • Evaluating the credit history of manufacturer
  • Investigating tax paying credit of manufacturer
  • Examining the degree of staff satisfaction

Verify Manufacturer At Spot

  • Equipment capability
  • Inspection equipment’s, inspection items, their control, status and accuracy
  • Operator’s qualifications of important positions and special processes
  • Comparing manufacturer’s procedure documents, inspection plans with the specifications and customer’s special requirements
  • Source of raw materials, receiving procedures and proofing documents
  • Traceability of process control
  • Disposal and separation of non-conforming products