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API 7-1 Petroleum Oil Well Borehole Rig Integral Slips String Spiral Drilling Collar
US$1,100.00
1-99 Pieces
US$800.00
100+ Pieces
Sample price:US$1100.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedSurface Treatment
PolishModel NO.
Drill CollarType
Non-magnetic Drill CollarStandard
AISIUsage
Oil Mining, Coal Mining, Well Drilling, Ore MiningMaterial
AlloyColor
Red/Bule/CustomizeDiameter
4 1/2"-20"Connection
API, Reg ,API, If ,NcMagnetic Material
P530 ,P550Non Magnetic Material
AISI 4154hTransport Package
Standard Export PackageSpecification
customizableTrademark
TROrigin
Shandong DongyingHS Code
8431431000Production Capacity
5000 PCS/YearKey features
API 7-1 Compliance: Manufactured strictly according to API Spec 7-1 and SY5411/SY5144 standards.
Customizable Dimensions: Diameter customizable from 4 1/2 to 20 inches with various connection types.
Non-Magnetic Options: Available in Non-magnetic Drill Collar using P530/P550 or AISI 4154H materials.
Spiral Design: Reduces contact area to avoid bit sticking caused by differential pressure.
Hardbanding Option: Optional hardbanding available upon customer request for enhanced durability.
OEM/ODM Service: Supports full customization, minor customization, and flexible customization.
Quality Assurance: 100% visual inspection of finished products with pre-production samples.
Multi-Connection Types: Supports API, REG, IF, NC, and other standard connection types.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.82h
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier with 3D software design and multiple customization options. Its business covers petroleum machinery, hydraulic components, mechanical equipment services, electrical equipment, instruments, chemical products, and camping houses. Quality and sustainability credentials include ISO9001:2015, ISO45001:2018, and ISO14001, while documented quality procedures, raw-material traceability, and two inspectors support basic quality control. The supplier has in-stock capacity, a one-month average lead time in both peak and off-season, and 12 qualified service-capability suppliers. However, it lacks an available SDK, valid manufacturing-capacity contracts with factories or related subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show experience. Corrective-action and complaint procedures exist but lack written records. Financial information is represented only by reporting years, so financial...
Supplier typeThe supplier is explicitly identified as a professional technical supplier. Its stated scope includes petroleum machinery and accessories, hydraulic components, mechanical equipment services, electrical equipment, instruments, and related products, indicating a technically oriented industrial supplier.
CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and earlier company information states that quality, environmental, and occupational health and safety management system certifications were obtained in 2014. These records provide explicit evidence of certification holdings.
R&D capabilityThe supplier is described as having professional technical R&D capability and can provide 3D software design services, which supports design and technical development capability. However, no SDK is available, indicating a limitation in SDK-based development or integration.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range is supported in the design-services capability record, providing clear evidence of broad customization capability.
Product Q&A
Q:How do you guarantee quality?
A:
Pre-production samples are always available before mass production; final inspection is always carried out before shipment.
Q:What services can you provide?
A:
Accepted delivery conditions: FOB, CIF, FAS, DDP, express; Accepted payment currencies: US dollar, Australian dollar, Euro and RMB; Payment types accepted: T/T, L/C, MoneyGram, credit card, PayPal, Western Union remittance, cash.
Q:What is the after-sales service?
A:
24-hour online maintenance guidance service.
Q:What languages do you support?
A:
English, Chinese and Other.
Q:What is the lead time for production?
A:
Peak Season Lead Time: one month; Off Season Lead Time: one month.
Send Inquiry
*To:
Dongying Tianrui Petroleum Technology Co., Ltd.
Dongying Tianrui Petroleum Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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