Ye4 series motors have obtained "China energy saving product certification"
In March 2022, ye4 series high-quality and high-efficiency three-phase asynchronous motors developed by Hongli motor were awarded "China energy saving product certification", "product certification certificate" and "CCC certificate".
the efficiency index of ye4 series high-quality and high-efficiency three-phase asynchronous motor has reached China's gb18613-2020 motor energy efficiency limit and energy efficiency grade and gb14711-2013 general safety requirements for small and medium-sized rotating motors.

Relevant information
2026-03-23
“Marine Shaft-Through Permanent Magnet Synchronous Generator” (T/CIET 2012–2025): This standard specifies the comprehensive technical requirements for marine shaft-through permanent magnet synchronous generators throughout the entire lifecycle, from design and manufacturing to inspection and delivery, thereby establishing a unified product technical baseline for the industry.
“Reliability Test Method for Marine Shaft-Through Permanent Magnet Synchronous Generators” (T/CIET 2013–2025): This standard develops a reliability assessment system tailored to the complex offshore operating conditions, refining key test criteria and methods such as vibration, salt spray, and temperature cycling, and providing an authoritative basis for product reliability verification.
On August 22, 2025, Dalian Hongli Electric Motor Co., Ltd., leveraging its profound technical expertise and outstanding manufacturing capabilities, successfully produced a water-cooled motor dedicated to shield tunneling machines for a key domestic project. The delivery of this motor marks another significant breakthrough for Dalian Hongli Electric Motor in the field of high-end equipment manufacturing and injects strong momentum into domestic infrastructure construction.
July 2025 marked a milestone for Dalian Hongli Electric Motor Co., Ltd. The group standard T/CMEPCA092-2024 "Quantification Methods and Requirements for Greenhouse Gas Product Carbon Footprint - Permanent Magnet Synchronous Motors", issued by the Standardization Committee of the China Electromechanical Products Circulation Association, was officially released. Leveraging its profound technical accumulation and rich practical experience in the field of permanent magnet synchronous motors, Dalian Hongli Electric Motor Co., Ltd. successfully participated in the drafting of this standard, making a key contribution to the standardized and green development of the industry.
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