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Medium Size Mini Grouting Hole Concentric Drill Bit for Water Well Drilling Projects
US$100.00-2,000.001 Piece
Medium Size Mini Grouting Hole Concentric Drill Bit for Water Well Drilling Projects
US$100.00-2,000.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
ProvideWarranty
1 YearCertification
CE, ISO 9001:2000, ISO 9001:2008Manufacturing Process
CastingMaterial
Tungsten SteelOuter Dia. of Casing Tube
108mmInner Dia. of Casing Tube
93-99mmReamed Dia.
118mmTransport Package
Standard Exporting PackageSpecification
for water well drilling projectsTrademark
RanchengOrigin
ChinaProduction Capacity
100Key features
Concentric Drilling System: Drills and cases holes simultaneously in unstable ground for improved straightness.
High Penetration Rate: Symmetric design with reusable ring significantly improves drilling speed and efficiency.
Tungsten Steel Material: Made from durable tungsten steel via casting process for long-lasting performance.
1 Year Warranty: Comprehensive 1-year warranty covering all product types with free replacement parts.
24/7 Technical Support: Lifelong free technical support available via online chat and phone.
CE & ISO Certified: Products certified with CE, ISO 9001:2000, and ISO 9001:2008 standards.
Customizable Dimensions: Outer, inner, and reamed diameters can be customized based on specific project needs.
Fast Delivery: Standard delivery time is 10-15 working days after payment confirmation.
Company profile

High Repeat Buyers ChoiceFast DeliveryIn-stock CapacityQuality Assurance
Business Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.04h
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad customization and product development capabilities, including ODM services and new products reported within the past year. It provides OEM services for well-known brands, exports extensively, and reports global customers and long-term cooperation. CE compliance certification and ISO9001 certification are stated, although supplier management system certification is listed as NIL. Production-related evidence includes complete manufacturing techniques, quality-control equipment, two quality assurance/control inspectors, and reported fulfillment within 15 workdays in both peak and off-peak seasons. After-sales evidence is limited but includes a documented customer-complaint procedure. Financial records are indicated for 2022–2024, but the slices do not provide sufficient detail to assess financial strength. The supplier lacks an SDK, overseas warehouse, overseas showroom, overseas agents or branches, and offline trade-show participation.
Supplier typeThe supplier presents itself as a manufacturer with manufacturing techniques, quality-control equipment, engineering personnel, and production operations. It also provides ODM services, OEM services for well-known brands, and maintains self-operated import and export rights.
CertificationsISO9001 certification is explicitly reported, and CE product compliance certification is stated in two slices. However, supplier management system certification is listed as NIL, so the positive assessment is limited to the certifications explicitly identified.
After-Sales capabilityThe supplier has a clear procedure with followed records for handling customer complaints, which is direct evidence of an established after-sales process. Its stated global customer network and long-term cooperation further support service experience, but no broader after-sales service infrastructure is described.
R&D capabilityThe supplier reports new products within the past year, has three years of R&D engineer experience, and offers ODM services. It does not have an available SDK, but that limitation does not negate the demonstrated product-development evidence.
Production capacityThe supplier reports a full set of manufacturing techniques, complete quality-control equipment, two quality assurance/control inspectors, and fulfillment within 15 workdays in both peak and off-peak periods. These facts support production capability, although finished products are checked by packing staff and the number of quality-control staff is stated as fewer than five.
Customization capabilityThe supplier explicitly offers customization from samples, designs, minor customization, flexible customization, and full customization. The same comprehensive range is reported in two slices, indicating broad customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands and has a global sales network serving Europe, South America, Southeast Asia, Africa, and other regions. It also reports long-term cooperation with many clients, but no specific customer names or documented case details are provided.
Product Q&A
Q:Why choose Rancheng Machinery?
A:
We are a professional supplier with 11 years of experience, offering high quality, competitive prices, and fast shipment worldwide.
Q:Do you offer custom designs?
A:
Yes, we have our own factory and provide superior products based on your specific designs.
Q:How is quality guaranteed?
A:
We are a Gold Supplier on Made-in-China with Trade Assurance, guaranteeing both money safety and product quality.
Q:What is the warranty period?
A:
We provide a 1-year warranty for all kinds of products, including free replacement of defective accessories.
Q:What is the delivery time?
A:
Delivery takes about 10-15 working days after receipt of payment.
Send Inquiry
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HENAN RANCHENG MACHINERY CO., LTD.
HENAN RANCHENG MACHINERY CO., LTD.*Content:
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