Tianjin Spring Electric & Machinery Manufactory Co., Ltd. is located in the Tianjin Jingwu (Nanhe) Economic Development Area. We specialize in the design and manufacturing of submersible motors, submersible pumps, and high-temperature vertical and horizontal submersible motors. Our operations strictly adhere to the ISO9001:2008 quality management system standards.

In response to specific site conditions and user requirements, we utilize a variety of materials and manufacturing processes to deliver products that are more optimized, reliable, and cost-effective.
Our main product lines include:
- YQS150–YQS300 series three-phase asynchronous submersible motors, compliant with international standards (GB/T 2818-2002), with a power range from 3 kW (4 HP) to 250 kW (340 HP).
- QN (QM) 6’’–QN (QM) 12’’ series three-phase asynchronous submersible motors, compliant with U.S. NEMA standards, with a power range from 3 kW (4 HP) to 250 kW (340 HP).
- 1215, 1218, 1222, 1228, 1234, and 1142 series three-phase asynchronous submersible motors, compliant with German RITZ standards, with a power range from 3 kW (4 HP) to 410 kW (550 HP).
- VHS180–315 (YLB180–315) series vertical hollow shaft deep well motors, with a power range from 5.5 kW (7.5 HP) to 320 kW (430 HP), protection class IP23 & IP54, and insulation class F.
- 150QJ to 400QJ series deep well submersible pumps, including well submersible pumps, fountain pumps, seawater pumps, and large flow rate and high-head pumps.
Our products are widely used in fountains, factories, mines, pumping stations, environmental engineering, chemical industries, irrigation systems, and more. In addition to serving the domestic market, our products are exported to the Middle East, Southeast Asia, Europe, the United States, and other regions.
We extend our sincere gratitude to all our customers and partners for their trust and support, which has enabled us to grow steadily in a highly competitive market. Building on our past efforts and present stable development, Tianjin Spring Electric & Machinery Manufactory Co., Ltd. is committed to achieving new milestones and scaling greater heights in the future.