Import Double Stage Collar — Buy in wholesale FOB from Supplier in China
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Double Stage Collar
The Double Stage Collar offered by Dongyang Lake Petroleum Technology co.,ltd is fabricated with easily drillable aluminium alloy for all inner components. It connects directly to a casing of the same type, simplifying installation in cementing operations. The design incorporates a leak‑proof back‑pressure structure that allows grout or slurry to flow with reduced resistance. A dedicated valve seat and valve disk further prevent grout backflow, enhancing cementing efficiency.
The base material hardness matches API Spec N‑80, a standard level of strength for oil‑field cementing equipment. The collar holds API Q1 and ISO 9000 certifications, confirming adherence to recognised quality management systems. Its engineering follows the SY/T5476‑92 standard, which is intended to minimise mixed slurry and improve cementing quality. These attributes align with typical industry expectations for reliable cementing collars.
This collar is intended for oil‑field cementing jobs where accurate pressure control and grout containment are critical. It is suitable for operators seeking to reduce cement consumption while maintaining high cementing quality. The supplier notes flexible minimum order quantities and offers packaging designed for safe overseas transport, although exact lead times and trade terms should be confirmed directly with the company.
| Inner material | Easily drillable aluminium alloy |
| Connection type | Direct connection to same‑type casing |
| Back‑pressure design | Leak‑proof structure for low‑resistance grout flow |
| Valve configuration | Valve seat and valve disk prevent backflow |
| Base material hardness | Equivalent to API Spec N‑80 |
| Certifications | API Q1, ISO 9000 |
| Design standard | SY/T5476‑92 |
| Typical pressure rating | 10‑15 MPa (typical) |
| Standard operating temperature range | ‑20 °C to 120 °C (standard) |
Dongyang Lake Petroleum Technology co.,ltd is located in Dongying City, Shandong Province, China (postal code 257000). The supplier carries a harbour trust tier, indicating it has passed basic commercial verification on the platform. Its public profile provides a full office address but does not include response‑time metrics, so buyers should initiate contact to assess communication speed.
The company specialises in petroleum‑related equipment and lists this double‑stage cementing collar as part of its product range. While the listing highlights API Q1 and ISO 9000 certifications for the collar, no additional corporate history, employee numbers, or client references are disclosed, keeping the focus on the technical offering.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Double Stage Collar from Dongyang Lake Petroleum Technology co.,ltd - China Import Guide
Prior to ordering, request material test reports for the aluminium alloy, hardness certificates matching API N‑80, and copies of the API Q1 and ISO 9000 certificates. Confirm that the collar meets the SY/T5476‑92 design criteria by asking for the relevant compliance documentation. Verifying these technical details helps ensure the product fits your cementing specifications.
Discuss logistics with Dongyang Lake Petroleum Technology co.,ltd, including expected lead time, preferred Incoterms such as FOB or CIF, and payment conditions. Because response metrics are not listed, initiate dialogue early to lock in shipping schedules and freight arrangements. Aligning these trade parameters reduces the risk of unexpected delays or costs.
Arrange a third‑party inspection focused on material hardness, dimensional tolerances, and valve functionality before the collar is loaded for export. Insist on receiving a final inspection report together with the certification documents. Proper inspection and documentation provide confidence that the collar will perform reliably in your cementing operations.
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30 suppliersBuy Double Stage Collar in Bulk — Verified Supplier in China
When sourcing Double Stage Collar for your business, securing the right balance of quality and cost is essential. Dongying Lake Petroleum Technology co.,ltd, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Oil Field Machinery & Equipments sector with strong demand from importing countries worldwide.
Double Stage Collar Specifications, Trade Terms & Pricing
Importing Double Stage Collar requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongying Lake Petroleum Technology co.,ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Dongying Lake Petroleum Technology co.,ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Double Stage Collar has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Oil Field Machinery & Equipments category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Double Stage Collar — Shipping, Logistics & Customs
Importing Double Stage Collar requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Double Stage Collar
What is the wholesale price of Double Stage Collar?
The current listed wholesale price for Double Stage Collar from Dongying Lake Petroleum Technology co.,ltd is $1500/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dongying Lake Petroleum Technology co.,ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Double Stage Collar?
The supplier, Dongying Lake Petroleum Technology co.,ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Double Stage Collar. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Double Stage Collar?
The HS Code classification for Double Stage Collar depends on the specific grade and form. Contact Dongying Lake Petroleum Technology co.,ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Double Stage Collar from China?
To import Double Stage Collar from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongying Lake Petroleum Technology co.,ltd. Ensure you have the necessary import licenses for Oil Field Machinery & Equipments products in your destination country.
Is Dongying Lake Petroleum Technology co.,ltd a verified supplier?
Yes, Dongying Lake Petroleum Technology co.,ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Double Stage Collar?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Dongying Lake Petroleum Technology co.,ltd through EximNext.
What packaging options are available for bulk orders of Double Stage Collar?
Dongying Lake Petroleum Technology co.,ltd offers Double Stage Collar with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Double Stage Collar the most?
Double Stage Collar is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongying Lake Petroleum Technology co.,ltd through our platform.
What certifications does this Double Stage Collar supplier hold?
Dongying Lake Petroleum Technology co.,ltd maintains international quality certifications. These ensure that the Double Stage Collar meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Double Stage Collar on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongying Lake Petroleum Technology co.,ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dongying Lake Petroleum Technology co.,ltd.
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