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Certificate numbers and validity, open for verification
Click any certificate to enlarge the scan. Below are the factory approvals currently held, plus design and survey coverage across 10+ society rules.
TÜV SÜD oil-free certification (Class 0)70.520.26.007.01-00
CCS Type ApprovalSH25PTB00062_01
BV Mode II RecognitionSMS.W.I./131026/B.0
RS Type Approval24.44.01.04038.269
ABS Approval26-0499803-PDA
CE / ECM European Approval0K240515.CPEDO51
ISO 9001 Quality SystemGB/T 19001-2016 / ISO 9001:2015
ISO 14001 EnvironmentalGB/T 24001 / ISO 14001:2015
ISO 45001 OH&SGB/T 45001 / ISO 45001:2018
National High-Tech EnterpriseGR202431000556
Scope note: the above are the factory approvals currently held. Beyond them we design, build, test and submit drawings to the rules of 10+ societies — CCS, BV, ABS, RS, DNV, NK, KR, RINA and LR — with LR, KR and RINA certificates issued on delivered vessels. Where a project specifies another society or MED, we confirm the route and schedule before order.
Factory testing
Every unit tested before dispatch
Our performance bench complies with GB/T 3853-2017, backed by an energy-efficiency laboratory verified to GB 19153-2019 Grade 1, with 19 calibrated instrument sets across 15 categories.
- Volume flowAgainst rated FAD (ASME nozzle method)
- Shaft power, vibration, noiseRecorded on every unit
- Leak & pressure testPressure parts and safety functions
- Test reportIssued with each unit; witnessed testing available
R&D
National High-Tech Enterprise
Recognised in 2024 (GR202431000556) by Shanghai science, finance and tax authorities. 12 patents held — 8 utility models and 4 designs, including the marine water-cooled screw design patent (8074130).
140,000+ m²Two bases · Shanghai 10 mu + Jiangxi 200 mu
8,000+ m²Office & R&D building
270+Industrial models
30+Certificates & approvals
40,000+Units delivered to date
30+Export countries & regions