天津市松正电动科技有限公司
The company is committed to all kinds of electric drive system technology, and its main products are electric drive controllers and flat wire motors, which can be widely used in top drive devices, mud pumps, fracturing skids, workover rigs, cementing machines, blowout preventers, pumping units and other electric equipment related to oil drilling and production.
Website：https://www.santroll.com/