Chongqing Panmao Science & Technology Co., Ltd. delivers world-class industrial pump systems for petrochemical, nuclear power, metallurgy, mining, and water infrastructure projects worldwide.
With over seven decades of continuous innovation, Panmao Technology has established itself as a premier provider of industrial pump solutions, serving clients across the globe with cutting-edge engineering and unwavering quality.
National Enterprise Technology Center with 3 national-level and 7 provincial-level innovation platforms. Annual R&D investment exceeding 6% of revenue.
200+ advanced processing equipment including 20+ machining centers and 100+ CNC machines. State-certified smart factory with 3 digital workshops.
ISO 9001, API, nuclear safety (HAF), military quality management, CNAS-accredited lab. Complete quality assurance across all product lines.
20+ domestic offices with service centers in Vietnam, Indonesia, South Korea, Chile, Russia, and across Central Asia, Europe, and South America.
Panmao operates two parallel product lines—industrial pumps & fluid systems, and a full range of cable & electrical products—delivering integrated supply chain and technical support from pump selection to the final wall socket.
The only enterprise in China spanning both positive displacement and centrifugal pump categories, offering complete "turnkey" pump system integration solutions.
Our centrifugal pump range covers API 610 / ISO 13709 standard configurations including OH, BB1 through BB5, and VS vertical types, applicable to petroleum, petrochemical, nuclear, metallurgy, water infrastructure and more.
COH1 (foot-mounted) and COH2 (centerline-mounted) configurations for chemical process, crude oil transport, and petrochemical applications.
Axially-split multi-stage centrifugal pump for oil refining, high-pressure water injection, long-distance pipeline transport and boiler feed water systems.
Radially-split single/two-stage between-bearings centrifugal pump for medium-high pressure applications in petroleum and chemical industries.
Axially-split self-balancing multi-stage pump with impellers arranged in opposing directions, eliminating axial thrust without balance drum.
Pull-out radially-split double-casing multi-stage pump for ultra-high pressure applications including descaling and high-pressure water injection.
Multi-stage self-balancing double-casing pump with barrel-type design for highest pressure applications.
Vertical suspended shaft centrifugal pump for sump drainage, cooling water circulation, and deep well applications.
Our positive displacement pumps include metering pumps, reciprocating pumps, and hydraulic diaphragm pumps designed to API 674/675 and GB/T standards, serving petrochemical, mining, and industrial applications worldwide.
High-precision plunger metering pump for accurate chemical dosing in water treatment and petrochemical processes.
Triple-head hydraulic diaphragm metering pump for high-flow precision dosing in demanding industrial environments.
Five-cylinder reciprocating pump for high-pressure process fluid transport in petrochemical and coal chemical applications.
Ultra-high pressure fracturing pump designed for coal bed methane extraction and downhole operations.
Hydraulic diaphragm pump for high-concentration slurry transport in mining, alumina refining, and pipeline transportation.
As a key national nuclear pump localization enterprise, we are the only domestic manufacturer capable of supplying both centrifugal and positive displacement nuclear safety-class (Grade 2 & 3) pumps, fully replacing imports.
High-reliability charging pump for nuclear power plant reactor coolant system makeup water supply.
Medium-pressure safety injection pump for nuclear reactor emergency core cooling system.
Ultra-high pressure hydrostatic test pump for nuclear reactor pressure vessel and piping integrity testing.
Precision boron injection pump for nuclear reactor reactivity control via borated water injection.
Emergency auxiliary feedwater pump for nuclear power plant steam generator water supply during abnormal conditions.
Nuclear-grade precision metering pump for reactor chemistry control and borated water injection systems.
Pressure vessels designed and manufactured to TSG 21-2016 and GB/T 150 standards, serving as critical pipeline pressure-balancing components in pumping systems.
Nuclear-grade pressure vessels manufactured under HAF and ASME standards for reactor auxiliary systems.
Custom-designed heat exchangers and pressure vessels for petrochemical and industrial applications.
Stainless steel and carbon steel chemical storage vessels for corrosive media applications.
Complete turnkey pump system solutions integrating pumps, valves, controls, and ancillary equipment for industrial applications including steel descaling, water treatment, chemical dosing, and emergency water supply.
Complete high-pressure descaling system with 95% domestic market share, serving major steel mills worldwide.
Integrated chemical dosing system with metering pumps, mixing tanks, and automated control for water treatment.
Comprehensive water treatment system combining filtration, chemical dosing, and circulation pump units.
Containerized mobile pump system for emergency deployment and temporary operations.
IoT-based pump lifecycle management platform for remote monitoring, predictive maintenance, and performance optimization.
Authorised distribution network covering seven product families — single-window procurement for MEP general contractors, industrial distribution, municipal and infrastructure projects.
Copper / aluminium PVC-insulated wires and control cables for building fixed wiring, panel internals and signal circuits.
Single-core solid copper conductor with PVC insulation for fixed wiring in buildings, distribution panels and conduits. Operating temperature up to 70°C, conforming to GB/T 5023.
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Single-core stranded soft copper conductor with PVC insulation for fixed wiring requiring frequent re-routing or vibration tolerance. Conforms to GB/T 5023.
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Light flexible PVC cord for instrumentation and signal applications. RVS is the twin-twisted variant. Available in 0.3-25mm² ranges.
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Solid aluminium core with PVC insulation, used in low-cost branch circuits where copper is not required.
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Flame-retardant variant of BV/BVR, with grades A, B, and C as per GB/T 19666, used in high-density wiring areas requiring fire safety.
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Multi-core PVC-insulated PVC-sheathed control cable for monitoring, indication, alarm and protection circuits inside switchgear and panels.
View DetailsLow and medium voltage XLPE power cables in copper or aluminium, including armoured and PE-sheathed constructions.
Copper conductor, XLPE insulated, PVC outer sheath power cable for fixed installation in distribution at 0.6/1kV. Single and multi-core constructions available.
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Same construction as YJV but with double steel tape armour under the outer sheath, for direct burial and trenches subject to mechanical stress.
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Cable with round steel wire armour for shaft installations requiring high tensile force, e.g. mining shafts and vertical risers.
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Same conductor and insulation as YJV but using polyethylene outer sheath, providing better waterproof and chemical resistance for damp environments.
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Aluminium-core counterpart of YJV; cost-effective for large cross-section runs where weight and price are critical.
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Traditional PVC-insulated and PVC-sheathed power cable, lower investment cost compared to XLPE versions, for non-critical fixed installations.
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Medium voltage XLPE cable for 8.7/15kV distribution networks, with semiconducting screens and copper tape shield.
View DetailsCopper and aluminium busbars / profiles for switchgear, busways and high-current connections, with tin/silver plating option.
T2 grade pure copper rectangular busbar for switchgear, busway, transformers and high-current connectors. Surface tin/silver plating optional.
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Tin-plated copper busbar for improved corrosion resistance and contact reliability in humid environments and outdoor switchgear.
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Drawn or extruded copper profiles in custom cross-sections for switchgear contacts, fuse links and electrical hardware.
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High-conductivity aluminium busbar and rods (1B97, 1B95, 1B93, 6101, 6201) for low-cost large-section conductors and overhead jumpers.
View DetailsFlame-retardant electrical conduits, drainage pipes and PP-R hot-water systems for MEP packages.
Flame-retardant PVC conduit for protecting wires in concealed wiring, including 305, 405, 505, 805 wall thicknesses (light, medium, heavy duty).
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Flexible corrugated PVC tubing for short runs around junction boxes and panel transitions; impact and flame retardant.
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uPVC pipes and fittings for cold-water supply and drainage in residential and industrial projects.
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Polypropylene Random copolymer (PP-R) pipes for hot water and heating loops, with S2.5/S3.2/S5 pressure series.
View DetailsAngle valves, hoses, floor drains and bathroom hardware — bundled with cable lines for one-stop procurement.
Forged brass angle valve with chrome-plated finish, ceramic disc, used for connecting wash basin / toilet / water heater to building water supply.
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304 stainless steel braided flexible hose with EPDM inner tube for water connections to taps, toilets and water heaters.
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All-brass deep water-seal floor drain with anti-insect insert; reduces odour return and back-flow in bathrooms and kitchens.
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Complete bathroom hardware kit (towel bar, soap dish, robe hook, paper holder) with stainless steel construction and chrome finish.
View DetailsPorcelain insulators and bushings for low/medium voltage switchgear, overhead lines and substations.
Outdoor pin-type porcelain insulator for low and medium voltage overhead lines, providing line support on cross-arms.
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Indoor post insulator for switchgear, motor control centres and bus support, with metallic caps and embedded inserts.
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Spool / butterfly type insulator for low voltage overhead distribution lines, fastened with steel U-bolts.
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Through-wall porcelain bushing for connecting switchboards through partitions and brick walls in MV substations.
View DetailsWall switches, sockets, miniature circuit breakers, RCBOs and information panels.
Standard 86×86mm wall switches with single or multiple gangs, fluorescent indicator and silver alloy contact.
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Five-hole socket combining 2-pin and 3-pin outlets, with dual USB-A 5V·2.1A charging ports.
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DZ47 / NXB style miniature circuit breakers with curves B/C/D for branch and distribution circuit protection.
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Combined RCBO providing overload, short-circuit and 30mA leakage protection for residential and commercial branches.
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Wall mount information panel combining CAT6 RJ-45 network outlet and RJ-11 telephone jack, color-coded keystones.
View DetailsOur state-of-the-art smart factory houses 200+ advanced processing machines including 5-axis machining centers, CNC lathes, gantry milling machines, and precision boring machines, ensuring the highest quality in every product.
Spectral analysis, mechanical testing, metallographic inspection, micro-analysis, and corrosion testing
Visual (VT), Radiographic (RT), Magnetic Particle (MT), Penetrant (PT), Ultrasonic (UT) inspection
Max flow 10,000 m³/h, max pressure 120 MPa, max motor 5,000 kW with 6kV/10kV power supply
60+ inspection instruments. GB/T 3216 Grade 1 accuracy for hydraulic model research test bench
11 specialized laboratories covering fluid mechanics, mechanical engineering, electrical systems, and material science. Equipped with AutoCAD, NX, ANSYS for 3D design and simulation.
Smart factory with 200+ machines including 5-axis machining centers, CNC lathes, gantry mills, and boring machines. 3 certified digital workshops for high-end pump production.
CNAS-accredited laboratory with 60+ inspection instruments. Testing capabilities up to 10,000 m³/h flow, 120 MPa pressure, and 5,000 kW motor power with 6kV/10kV power supply.
DCMP big data management platform integrating PLM, ERP, MES, QMS, CRM, WMS, and BI systems. ISO 27001 information security and AAA-rated IT-OT convergence management.
95%+ market share in high-pressure water descaling systems for hot rolling lines across the Chinese steel industry.
Key supplier for all major nuclear engineering companies. 25+ certified pump models deployed in Hualong One, M310, CAP, and VVER reactors.
30+ years of deep engagement in offshore oil. #1 market position in CNOOC crude oil export pumping.
Industry leader in ore slurry diaphragm pumps for long-distance pipeline transport of minerals, tailings, and concentrates.
Breakthrough products in grey water pumps and coal slurry pumps, establishing leading position in coal-to-chemical processes.
Participation in major national water transfer projects with domestically-developed high-efficiency hydraulic models replacing imports.
Hydrogenation feed pumps, methanol pumps, deaerating water pumps, and process pumps serving CNPC, Sinopec, and CNOOC projects globally.
Specialized military pump development and manufacturing for national defense applications.
Stay informed about the latest developments in industrial pump technology and our company activities.
Recently, Panmao Technology reported another good news in the field of offshore oil and gas equipment: it successfully won the bid for an oil and gas field enhanced oil recovery project on a certain platform in the East, which was general contracted by a unit of China State Shipbuilding Corporation and led by CNOOC. Panmao Technology will provide two core multi-stage centrifugal pumps for the ORC waste heat power generation system in this project, once again demonstrating the company's extraordinary strength in the field of difficult fluid equipment. The equipment that won the bid will be used to transport cyclopentane, the key medium of the ORC system. As an extremely flammable and explosive medium with a density of 707kg/m³, cyclopentane poses severe challenges to the sealing, stability and safety of fluid transportation equipment...
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Recently, Panmao Technology has made a major breakthrough in the international market and successfully won the bid for the supply order of high-pressure diaphragm pumps, the core equipment of an overseas user's melamine project. This marks that Panmao Technology has officially entered the ranks of international core equipment suppliers for the "three high" extreme working conditions of high temperature, high pressure, and high corrosion, demonstrating the company's R&D strength and high-end manufacturing capabilities in the field of difficult fluid transportation. The equipment that won the bid this time will be used in production links with extremely harsh process conditions. The conveying medium is highly corrosive. The inlet pressure is close to 10MPa, the outlet pressure exceeds 20MPa, and the medium temperature is as high as about 150°C. It almost covers...
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In the Panmao Technology welding workshop, the name of senior technician Zhou Hu is synonymous with quality. Having been engaged in welding work for more than ten years, he always adheres to the principle of "getting things done right the first time" and treats every weld as a high-quality product. With his superb skills and rigorous style, Zhou Hu set a record of 100% pass rate for one-time radiographic flaw detection of welds in the difficult welding tasks of many of the company's core products, becoming a shining "quality star" in the workshop. Strictly adhere to the process and build a strong line of defense within millimeters. Welding is a delicate activity, and small fluctuations in parameters such as current, voltage, speed, etc. may affect the quality. Zhou Hu has almost strict requirements on craftsmanship. Every operation...
Read MoreWe integrate pre-sales consultation, in-process support, and after-sales service throughout the entire product lifecycle.
2-hour response upon service request, on-site within 24 hours.
Service continues until complete customer satisfaction is achieved.
40+ dedicated service professionals across 20+ offices and international service centers.
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