Jiaxing Zhengjia Auto Parts Co., Ltd.

www.zjmachining.com

Jiaxing Zhengjia Auto Parts Co., Ltd. is a leading manufacturer, trader, and exporter of high-performance oilfield equipment components. With years of experience in the petroleum and machinery industries, we specialize in the design, production, and supply of precision-engineered parts for downhole pumps, rod lift systems, mud pumps, and related oilfield equipment.   Our main product range includes sucker rod couplings (including T-class and SM-class), valve rod guides and bushings, inner mandrels, low speed shafts, wear plates, seating mandrels, outer housings, discharge valve bodies, box and pin couplings, plunger connectors, seating rings, gear pump shafts, and other custom-machined components for oilfield applications. These products are widely used in oil & gas drilling, production, workover, and maintenance operations.   As a factory-direct supplier, we maintain strict quality control over material selection, heat treatment, machining, and surface finishing. We have a profes…