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Factory Sale Rigid Centralizer Single-Bow Spring Casing Pipe Centralizer for Comenting Tools
US$1.19-3.59
100 Pieces
Sample price:US$1.29/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Consult UsWarranty
Consult UsModel NO.
JF-1321Certification
CE, RoHS, ISO 9001:2000, ISO 9001:2008Surface Treatment
OxidationCentralizer Type
RigidStructure
Automatic ReversingMaterial
PlasticType
Casing HeadItem
CentralizerTolerance
+/-0.02mmMachining Method
CNC StampingName
Casing CentralizerApplication
Cementing ToolPart Type
Metal Fabrication & WeldingWeight
CustomizedExport Markets
GlobalShipping Port
Qingdao, Ningbo, ShanghaiPacking
Wooden Cases or CartonPlace of Origin
ChinaTransport
by Sea or AirOEM Service
YesLogo Printing
CustomizedMOQ
200PCSTransport Package
Plywood BoxSpecification
SGS, ISO9001: 2008Trademark
jufengOrigin
Weifang City, Shandong Province, ChinaHS Code
7326199000Production Capacity
10000PCS/MonthKey features
High Restoring Force: Designed for high restoring force and low starting force in vertical, horizontal, and deviated wells.
Premium Alloy Steel: Bow springs made of special alloy steel with controlled heat treatment for uniform hardness.
High Fatigue Strength: Offers superior fatigue strength for axial forces and radial side loads during tubular rotation.
Customizable Weight: Weight is fully customized to meet specific customer requirements.
OEM Service Available: Full OEM service including logo printing and custom machining methods.
Global Export Markets: Products exported globally with shipping via sea or air from Qingdao, Ningbo, or Shanghai.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 9 Years CertifiedNearest Port: Qingdao Port, Shanghai PortAverage Response Time: ≤1.95h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryWeifang Jufeng Metal Products Co., Ltd. is a China-based limited company established in 2017, with inconsistent employee records of 5, 29, and quality-control staffing of 6–10. It offers metal stamping, fabrication, welding, punching, automotive, and related products, and is identified as a trading company despite describing its own-factory production capability. The supplier reports three production lines, stated output capacities across several product categories, broad export-market coverage, and port access through Qingdao, Tianjin, and Shanghai. It holds an ISO9001:2015 certificate and reports quality inspections during production. R&D evidence is positive: one year of total R&D-engineer experience is stated, new products were developed in the past year, and ODM plus multiple customization methods are available. However, there is no available SDK, no overseas showroom, no overseas agents or branches, no offline trade-show participation, and no overseas service countries reported. Financial...
CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate. This provides direct evidence of a certified quality-management system, although no certificate number, scope, or issuing body is supplied.
R&D capabilityThe supplier reports one year of total R&D-engineer experience, new products within the past year, ODM availability, and multiple customization methods. These are positive indicators of active product development, while the absence of an available SDK limits evidence for software or platform integration capability.
Production capacityThe supplier reports three production lines and category-specific capacities for mailboxes, metal fabrication parts, cabinets, stamping parts, and auto parts, alongside broad export-market coverage and access to Qingdao, Tianjin, and Shanghai ports. However, employee counts vary across records and the supplier is also classified as a trading company, so the scale and direct-manufacturing structure require verification.
Customization capabilityThe supplier explicitly offers OEM, ODM, smaller quantities, flexible customization, minor and full customization, customization from designs, and customization from samples. It also claims to provide exclusive and unique solutions, directly supporting a broad customization offering.
Product Q&A
Q:What is Casing Pipe, and what is its primary purpose in the oil & gas industry?
A:
Casing pipe is large-diameter, heavy-duty steel pipe inserted and cemented into a drilled wellbore to prevent collapse, seal off formations, contain pressure, serve as an anchor for equipment, and facilitate safe drilling.
Q:How is casing pipe different from tubing or drill pipe?
A:
Casing is cemented permanently with the largest diameter and is not retrieved. Tubing is smaller, runs inside casing for hydrocarbon flow, and can be retrieved. Drill pipe is a temporary tool for transmitting torque and circulating fluid during drilling.
Q:What are the different types of casing strings, and when are they used?
A:
Conductor casing stabilizes the surface. Surface casing protects freshwater zones. Intermediate casing isolates problematic zones at intermediate depths. Production casing (or liner) provides final isolation and a conduit for production in the pay zone.
Q:What are the key specifications and properties of casing pipe?
A:
Casing is specified by Diameter (OD), Wall Thickness & Weight (e.g., 26 lb/ft), Grade (e.g., H-40, N-80, P-110), Connection Type (threaded/coupled), and Drift Diameter to ensure tool passage.
Q:What does "cementing the casing" mean and why is it crucial?
A:
Cementing involves pumping slurry to bond the casing to the formation, provide zonal isolation, protect against corrosion, and support the string mechanically. Poor cementing is a leading cause of well integrity failure.
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