Import Companion Flange — Buy in wholesale FOB from Supplier in China
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Companion Flange
The Companion Flange from Dongying Lake Petroleum Technology Co., Ltd is a forged pipe connection component designed for oil and gas, chemical processing, water treatment, and power generation systems. It is engineered from carbon steel ASTM A105 or stainless steel 304/316, with precision machining to ensure leak-proof joints under high-pressure conditions. The flange conforms to ANSI B16.5 or DIN standards, making it compatible with a broad selection of pipe sizes and pressure classes for industrial applications.
This companion flange, also referred to as a hub, is built to withstand extreme temperature fluctuations and mechanical stress. Its robust design includes a raised face or flat face finish, with typical bore diameters ranging from 15 mm to 1500 mm depending on the piping system requirements. The material composition ensures resistance to corrosion and abrasion, while standard surface treatments like hot-dip galvanizing or phosphate coating can be applied for additional protection in harsh environments.
Industrial buyers in sectors such as petrochemical plants, municipal water systems, and power stations use these flanges to secure critical piping networks. The product is exported in bulk wooden pallet packaging to prevent transit damage, with typical MOQs starting from 10 units. Buyers should confirm Incoterms (FOB or CIF) and lead times, as these depend on the selected material grade, size, and custom specifications.
| Material | Carbon Steel ASTM A105 / Stainless Steel 304 |
| Standard Compliance | ANSI B16.5 or DIN |
| Type | Companion Flange (Hub) |
| Face Finish | Raised Face or Flat Face (typical) |
| Bore Diameter Range | 15 mm to 1500 mm (standard) |
| Pressure Class | Class 150 to Class 2500 (typical) |
| Surface Treatment | Hot-dip Galvanizing, Phosphate Coating (standard options) |
| Manufacturing Process | Forged + Machined |
| Packaging | Bulk Wooden Pallets |
| Typical Applications | Oil and Gas, Chemical Processing, Water Treatment, Power Generation |
Dongying Lake Petroleum Technology Co., Ltd is based in Huanghe Road, Dongying, Shandong Province, China. The company operates with an imported supplier tier, indicating it sources raw materials or components internationally before adding value through fabrication or assembly. Its profile shows a harbor trust tier, reflecting a baseline level of verification for trade reliability.
The supplier specializes in industrial pipe fittings, including companion flanges for high-pressure systems. While its response rate is currently unrecorded, the company’s focus on petroleum technology suggests expertise in products meeting the stringent standards of oil and gas industries. Buyers should verify production capabilities and quality control processes directly, as the profile does not provide details on certifications or in-house testing.
Companion flanges, also referred to as hubs, are essential industrial pipe connection components used across oil and gas, chemical processing, water treatment, and power generation sectors. These flanges conform to ANSI B16.5 or DIN standards and are available in carbon steel ASTM A105, stainless steel 304/316, and alloy grades for high-pressure applications. Sourced primarily from manufacturing hubs in China, India, and Turkey, companion flanges are exported in bulk wooden pallet packaging for safe international transit and are priced competitively in the $45 to $350 per unit range depending on size, material, and pressure class.
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Sourcing Companion Flange from Dongying Lake Petroleum Technology Co., Ltd - China Import Guide
Before placing an order, verify the flange’s material grade and pressure class to ensure compatibility with your piping system. Request mill test certificates (MTC) for the carbon or stainless steel to confirm chemical composition and mechanical properties. This documentation is critical for applications in regulated industries like oil and gas.
Confirm the Incoterms offered by Dongying Lake Petroleum Technology Co., Ltd, as these will determine your responsibility for shipping, insurance, and customs clearance. Lead times can vary based on material availability and custom specifications, so request a production schedule upfront. Wooden pallet packaging is standard, but discuss alternative options if your project requires specialized handling.
Conduct visual and dimensional inspections upon receipt to ensure the flanges meet ANSI B16.5 or DIN tolerances. For high-pressure applications, consider third-party non-destructive testing (NDT) such as ultrasonic or magnetic particle inspection. Always request a packing list and certificate of conformity to validate the shipment against your purchase order.
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30 suppliersBuy Companion Flange in Bulk — Verified Supplier in China
When sourcing Companion Flange 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 with key specifications including Carbon Steel ASTM A105, Stainless Steel 304/316L, Alloy Steel F11/F22, ANSI Class 150, 300, 600, 900 (up to 2500 PSI), and NPS 1/2" to 48" / DN15 to DN1200. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $45350./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7307.19, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Companion Flange Specifications, Trade Terms & Pricing
Importing Companion Flange 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. To ensure a smooth transaction, buyers should verify import duties for HS Code 7307.19 in their destination country. 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 online B2B 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 Companion Flange 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 Flanges category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Companion Flange — Shipping, Logistics & Customs
Importing Companion Flange 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 for HS Code 7307.19 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 Companion Flange
What is the wholesale price of Companion Flange?
The current listed wholesale price for Companion Flange from Dongying Lake Petroleum Technology Co., Ltd is $45350./Unit 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 Companion Flange?
The supplier, Dongying Lake Petroleum Technology Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Unit for Companion Flange. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Companion Flange?
For international shipping and customs clearance, Companion Flange is classified under HS Code 7307.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Companion Flange from China?
To import Companion Flange 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 Flanges 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 Companion Flange?
The key specifications for Companion Flange supplied by Dongying Lake Petroleum Technology Co., Ltd include Carbon Steel ASTM A105, Stainless Steel 304/316L, Alloy Steel F11/F22, ANSI Class 150, 300, 600, 900 (up to 2500 PSI), and NPS 1/2" to 48" / DN15 to DN1200. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Companion Flange?
Dongying Lake Petroleum Technology Co., Ltd offers Companion Flange with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Companion Flange the most?
Companion Flange 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 Companion Flange supplier hold?
Dongying Lake Petroleum Technology Co., Ltd maintains international quality certifications. These ensure that the Companion Flange meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Companion Flange 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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