Company Profile
Ruiyuan Holdings Group is a beacon of industry excellence, stationed proudly in Qingdao West Coast New District. As a distinguished member of the top 100 private enterprises in Shandong Province, Ruiyuan Holdings embodies strength with a registered capital of 800 million yuan and total assets soaring beyond 20 billion yuan. This powerhouse employs over 9,200 dedicated professionals and actively thrives in multiple sectors, including engineering construction, manufacturing, energy and power, healthcare, and port logistics. Our extensive business network stretches from domestic provinces and cities to the dynamic regions of the Asia-Pacific, the Middle East, Pan-Russia, Europe, Africa, North America, and Latin America.
Ruiyuan Holdings Group International Trade Co., Ltd. harnesses the formidable strengths of Ruiyuan Group's diverse industrial sectors and cutting-edge factories to deliver unparalleled supply chain resources and exceptional services to our global clientele.
Empowering the future of oil and gas equipment with enhanced safety and intelligence.
Our company is unwavering in its dedication to quality, embracing a policy that champions 'striving for excellence, continuous improvement, honesty and trustworthiness, and customer satisfaction.' This commitment is seamlessly aligned with our business philosophy of 'honesty, pragmatism, efficiency, and innovation,' driving us forward.
Product Description
1. AIP (API Casing Pipe & Tubing Pipe - J55/ K55/ N80/ L80/ P110/ C95) Discover unrivaled durability and precision with our API Casing Pipe & Tubing Pipe (J55/ K55/ N80/ L80/ P110/ C95). Engineered meticulously to meet the pinnacle of AIP standards, these pipes are crafted to deliver outstanding performance in the most challenging environments. Ruiyuan Holdings Group International Trade Co., Ltd. presents a product that epitomizes strength, reliability, and endurance, ensuring your operations are both seamless and efficient.
sizes |
pounds |
wall thickness |
Commonly used steel grades |
Pipe end thickening form |
Single length |
Product Specification Grade |
implementation standards |
1.05"-4.5" |
kg/m(lb/ft) |
mm |
J55 N80 L80 P110 |
Unthickened NUE Thickened EUE Integral joints IJ |
R1 6.10-7.32m R2 8.53-9.75m R3 11.58-12.80m |
PSL1 PSL2 PSL3 |
API 5CT |

2.Flanges
Flange: Primarily utilized in piping systems, these flanges ensure a secure and leak-proof connection between pipes, fittings, and equipment. Fastened through bolts to the gasket's sealing surface, they guarantee a steadfast connection seal, safeguarding against leaks.
Specification: 1/2"~24"
Pressure: Available in 150LB, 300LB, 600LB, 900LB, 1500LB, and 2500LB options.
Type: Choose from a variety of types including Butt-welding WN, Necked Flat Welding SO, Threaded TH, Socket Welding SW, Blind BL, Orifice Flange OF, RJ Loose Sleeve, Long Neck LW, and 8 Word Blind.
Manufacturing standards:
National standard: GB/T14383, SH3410, HG21634;
American Standard: ASME/ASNI 16.5/16.36/16.47A/16.47B, MSS SP44;
Japanese standard: JIS B2210;
Material:
Carbon Steel (CS): Includes ASTM A105, 20#, Q235, 16Mn, and ASME A234 WPB.
Stainless Steel (SS): Features ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, and 0Cr18Ni9Ti.
Alloy Steel (AS): Comprises ASTM A182 F1, F5a, A182F12, A182F11, 16MnR, 15CrMo, 12Cr2Mo1.
3. Screen (vibrating screen)
Material: Composed of stainless steel mesh, iron plate, and iron frame, ensuring quality and performance.
Characteristics: These screens boast wear-resistance, corrosion-resistance, high temperature resistance, and a stable structure.
Workmanship: Crafted with two layers of stainless steel mesh (trawl, screen) securely bonded to an iron plate using high-grade adhesive glue and a welded frame.
Mesh of trawl: Available in 10 mesh-40 mesh Mesh of sieve: Offered in 20 mesh-250 mesh for varied applications.
Thickness of iron plate: Ranges from 1mm-3mm Width: 560mm-1000mm Length: 650mm-1350mm to meet diverse needs.
Iron plate hole shape: Choose from hexagonal, rectangular, or square holes to suit specific requirements.
Frame Material: Constructed from square tube or flat tube with internal reinforcement and back paint color customizable as per customer preferences.
Petroleum vibrating screen mesh use: Specially designed for oil mining drilling operations, these screens efficiently filter mud.
(Remarks: The specific size, material, and stainless steel wire mesh of the frame-type petroleum vibrating screen mesh can be tailored to customers' precise requirements.)
4.Valve
Introduction:
Valves: The Unsung Heroes in Fluid Transportation Systems Valves serve as essential control components in any fluid transportation system. They expertly manage the pipeline by opening, closing, directing flow, and precisely adjusting transport medium parameters such as temperature, pressure, and flow. Depending on their function, valves are categorized into shut-off valves, check valves, regulating valves, and more. These pivotal components are indispensable in fluid control systems, ranging from the simplest globe valve to intricate self-control systems. Valves find extensive application controlling various fluids like air, water, steam, corrosive media, slurry, oil, liquid metals, and radioactive substances, highlighting their versatility and critical importance.
Category:
Explore the Diverse Universe of Valves: Ball valves, butterfly valves, gate valves, check valves, globe valves, and beyond.
5. Pumps
Centrifugal Pumps.
Centrifugal Pumps: Versatile Powerhouses for Harsh Conditions Employed predominantly across industries like petroleum, chemical, natural gas, thermoelectricity, and more, centrifugal pumps are integral to the effective and safe transport of various challenging media. Be it for major installations like LNG, seawater desalination, or large-scale oil refining, these pumps ensure seamless operation, even in the most demanding environments.
Pump Impeller Classification: From single-stage to multi-stage pumps, each tailored for specific performance needs.
Pump Shaft Position Classification: Choose between horizontal and vertical pumps, designed for optimal efficiency.
Other Intriguing Classifications: Worm gear pumps, guide vane pumps—each with unique functionalities.
Performance Spectrum: Astonishing flow rates (-25000m³/h), impressive head (-3600m), formidable pressure (-45Mpa), and robust temperature adaptability (-196-500 ºC).
Executive Standard: API 610—Industry benchmark for reliability and performance.
Water Injection Pumps
This series of pumps epitomizes precision and power, featuring horizontal three-cylinder (3ZB) and five-cylinder (5ZB) single-acting plunger reciprocating pumps.
Technical Parameters
Flow Rate: A wide range from 0.15 to 350 m3/h, catering to diverse requirements.
Discharge Pressure: Ranging between 4-50Mpa for versatile applications.
Lift Capacity: Extending from 200 to 6000 m, to meet varying operational demands.
Operating Temperature: Efficiently operates at temperatures up to ≤80 ºC.
Applicable Medium: Perfect for fresh and extracted water, ensuring adaptability.
Performance Characteristics:
This series boasts advanced technical performance, an elegantly compact structure, and unrivaled efficiency. With stable operation and high power handling, these pumps are secure, straightforward to operate, and a breeze to maintain and repair.
Designed for Safety and Aesthetic Appeal: These pumps are not only reliable and easy to operate and maintain, but also crafted with a keen eye for beauty.
Execution Standard: API674—Setting the benchmark for performance and safety.
Expansive Application Scope: Ideal for transporting water, sewage, and corrosive liquids, even media with solid particles up to 1mm. Employed in petrochemical engineering, oilfield water injection, mining, hydraulic applications, high-pressure cleaning, and a myriad of other industries, these pumps are essential wherever high-pressure media transportation is required.
6. Seal Ring
Introduction:
Sealing Rings: Guardians Against Leakage Sealing rings are crucial in preventing liquid or gas leakage. The choice of material is paramount, directly affecting their sealing performance and longevity. Designed for simplicity, sealing rings are pivotal for bearing seals, preventing grease fires, reducing the need for constant lubrication. Available in types such as O-rings, rubber sealing rings, and hydraulic cylinder seals, they are indispensable in various applications.
7. Tubing Pump
Introduction of Pump
Embodying world-class engineering excellence, our subsurface sucker rod pumps are meticulously crafted in compliance with the esteemed API 11AX standards, holding the prestigious API monogram and ISO 9001 certification. Reflecting superior American technology introduced in the 1980s, we proudly offer an extensive range of over 40 models and sizes, with diameters spanning from 28 mm to 108 mm. With an impressive annual production capacity of 10,000 sets, our collection features a variety of pump types, including conventional rod pumps, tubing pumps, and specialized purpose pumps, ensuring versatility and reliability for every need.
Structure of pump
The core components defining the superior performance of our subsurface sucker rod pumps include the expertly engineered barrel, the precision plunger, and the reliable valve, each contributing to the pump's robust operation and dependable service life.

Model |
Thin wall rod pump |
Thick wall rod pump |
Tubing Pump |
Pump diameter (in) |
1 1/4~2 1/2 |
1 1/16~2 1/2 |
1 3/4~3 3/4 |
Plunger length (ft) |
2-24 |
Barrel length (ft) |
2-34 |
Material |
Barrel: A1~A6, B1~B6, C1~C5, D1~D5, N1~N6
Plunger: B1~B3, C1~C3, D1~D3, E1~E3, F1~F3 |
About Us
Corporate Team & Events: Experience the vibrant culture and dynamic spirit of our corporate team at Ruiyuan Holdings Group International Trade Co., Ltd. Our team, the cornerstone of our success, thrives on collaboration and innovation. Join us in celebrating our milestones and achievements at our captivating corporate events that reflect our commitment to excellence and a bright future.
FAQ
Q: What information is essential for prompt and exact evaluation?
A: Exact compression media, working pressure, required loading volume, acceptable manufacture/inspection standard, and any special requirements.
Q: How do you do quality control in your factory?
A: Quality is the first priority, the products are only allowed to leave the factory after 100% qualified by inspection, we will check again before shipment to ensure the quality, we also provide customers with up to 18 months of warranty!
Q: Can you design according to specific client parameters?
A: Yes, we can design exactly as per clients' parameters to satisfy their local environment and different needs.