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Founded in 1987, Zhejiang Zhenxing Petrochemical Machinery Co.,Ltd. designs and manufactures high-quality submersible electric pumps’ critical components, and engineered solutions for the global energy market. Our products serve demanding oil and gas, nuclear power, and marine applications.
Supported by an experienced R&D team and advanced research platforms, we control the full production stream—from our own foundry to precision machining—to ensure consistent quality and reliable performance. Our portfolio includes ESP pump stages and components, separator parts, gas handler parts, protector parts, motor parts and complete accessory systems, along with capabilities in casting, forging, precision machining, carbide manufacturing, surface protection, and pump stage design, simulation, and validation.
Recognized as a national high-tech and “Specialized, Skilled, Innovative, High-Quality” enterprise, we deliver durable products, proven engineering, and collaborative solutions built for the toughest field conditions.
Continuing its strategic international expansion, Zhenxing launched its Egypt subsidiary in early 2025. The 3,600 m² facility, completed in January, reached full-scale production by October, demonstrating rapid operational readiness.
Zhenxing has expanded its global footprint with a new subsidiary in Thailand. The state-of-the-art 15,000 m² facility began operations in May 2024 and reached full-scale production by November of the same year.
Zhenxing established its professional mechanical parts surface treatment team in Rui’an. The company offers thermal processing solutions and surface modification services, including ion nitriding, nitrocarburizing, oxygen infiltration, and vacuum coating for materials like tool steel, stainless steel, nickel-based alloys, and titanium alloys. Guided by principles of precision, efficiency, and economy, Zhenxing uses advanced technologies to enhance the quality of key industrial components. It operates a well-equipped laboratory for testing and sample preparation, supported by an experienced team that optimizes material selection and surface treatment processes for wear-prone parts.
Zhenxing established its subsidiary Fujian Qiangyu Petrochemical Machinery Co., Ltd., a dedicated casting and forging operation, securing 53,333.6 m² of industrial land in Shouning County, Fujian. Designed for large-scale output, the facility reached an annual capacity of 5 million ESP impellers and 500 tons of Monel ESP shafts, significantly strengthening the group’s manufacturing depth and supply capability.
The company entered the global oil-well pump components market and rapidly expanded its international reach. In 2006, it relocated to its current 20,000 m² facility to boost capacity and modernize operations.
With a team of 400+ employees, annual output reached 3 million Sets of ESP stages and 300 tons of Monel ESP shafts. This period marked strong export growth and the establishment of long-term partnerships with major oil and gas companies in the United States, Russia, and beyond.
Renamed as Zhejiang Zhenxing Petrochemical Machinery Co., Ltd. and expanded aggressively into the domestic submersible electric pump market, driving rapid growth in scale and capability.
Founded in Tingtian Cengqi, Rui’an City as a petrochemical equipment accessories manufacturer, operating on a 0.65-acre site and later renamed through several stages as the company expanded.
A fully built-out production ecosystem covering casting, forging, machining, cemented carbide processing, surface treatment, and testing—designed for high-volume, high-consistency output.
Annual production of 5 million sets of ESP stages
Annual production of 1000 tons of Monel alloy ESP shafts
Annual production of 7000 tons of ESP stages components
High-end multi-axis machining centers, automated lines, and precision metrology systems—including CMMs with 0.012 mm detection accuracy—ensure every component meets engineering-grade standards.
University partnerships, specialized research platforms, and in-house test rigs support advanced pump-stage design, simulation, and validation.
R&D → Foundry → Machining → Quality → Customer Service
• R&D: Concepting, design, material solution, simulation, prototype
• Foundry: Alloying, casting, heat treatment, metallurgical validation
• Machining: CNC, grinding, balancing, tolerance control
• Quality: Chemical/physical inspection, performance testing, audit gates
• Customer Service: Field feedback, global support, lifecycle optimization
A growing international footprint—including manufacturing and distribution capacity in regions such as Egypt and Thailand—supports responsive delivery and local customer service worldwide.
