Dongtai Yuanyang Stainless Steel Manufacture Co., Ltd. Dongtai Yuanyang Stainless Steel Manufacture Co., Ltd.
Certificates
We hold certifications across multiple industries, including petrochemical, nuclear power, shipbuilding, pharmaceutical,
and renewable energy, ensuring our products meet the international standards required by countries worldwide.
ABS Certificate of Forging Facility and Process Approval
CCSC ISO9001
CCSC ISO14001
CCSC ISO45001
CCS Certificate of Works Approval
DNV Certificates - Pipe
DNV Certificates - Stainless steel forgings
BV Certificates
Type Approval Certificate For Flanges (Carbon Steel, Chromium-Molybdenum Steel)
TUV PED AD2000 Certificates
CNAS Laboratory Accreditation Certificate
Production License of Special Equipment
Radiation Safety Licence
API Certificates Q1
API-6A Certificates
Pollutant Discharge Permit
High-tech Enterprise Certificate
Product Patents
As a high-tech enterprise, we hold numerous nationally certified patents, dedicated to driving technological innovation and progress in the industry.
Invention Patent
Invention Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Utility Model Patent
Company Honors
Industry awards are not only a recognition of our technical strength and innovation ability, but also an incentive for us to continue to pursue progress.
Science and Technology Progress Award (Zero Leakage Double Seal Piping Device)
Science and Technology Progress Award (Key Technology and Product Development of Stainless Steel Large Calibre Thin Wall Elbow Processing)
Excellent Supplier of SINOPEC (Shanghai)
Excellent Supplier of Gulei Petrochemical
Excellent Supplier of SINOPEC (Zhenhai)
Excellent Supplier of SINOPEC (Zhenhai)
Strategic Supplier of Wanhua Chemical Group
Top 100 Suppliers in China Petrochemical Industry
National SRDI "Little Giant" Enterprise
Certificate of Dual Creative Talent
Director Enterprise of Jiangsu New Material Industry Association
Provincial SRDI "Little Giant" Enterprise