TYHI is the Taiyuan Heavy Machinery (Group) Co., Ltd. various main products and complete set equipments manufacturing unit, has a dependable product quality ensuring system:

• Having passed ISO9001, ISO14001and OHSMS certifications.

• Train Wheels & Axles have passed ARR and EC certifications.

• Castings & forgings have passed certificate Issued by LR, Certificate Issued by ABS and Works Approval Issued by CCS.

• Pressure vessels have obtained the Design & Manufacture Approval for Special Equipment.

• TYHI is the national first-class metrological test & measurement unit.

   

1. ISO9001:2000 Certification

2.  AAR Quality Assurance Program Certification

3.  EC Quality Certificate

4. Measure Examination

5. Physical-Chemical inspection center passed national certificating