Import Extensing Spring — Buy in wholesale FOB from Supplier in China
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Extensing spring
The Extensing spring from Xian Lianhu Spring Device Manufacturer is a precision-engineered extension spring designed for high-cycle tensile applications, with wire diameters ranging from 0.8 mm to 3.5 mm and outer diameters from 6 mm to 30 mm. The spring is manufactured from either stainless steel 302/304 or music wire, depending on load and corrosion requirements. Each spring is cold-wound and stress-relieved to ensure dimensional stability and consistent force characteristics.
The springs are produced to DIN 2095 and ISO 10243 standards, with end configurations including closed and ground, open, or hooked ends as required. Tensile strength ranges from 1,500 MPa to 2,200 MPa, depending on wire material and heat treatment. Surface finish is typically bare or phosphate-coated for corrosion resistance; electroplating options like zinc or nickel are available upon request. The springs are tested for free length tolerance of ±2% and load tolerance of ±5% at specified deflection.
This spring is commonly used in automotive suspension components, industrial machinery actuators, and medical device mechanisms where precise force control is critical. Buyers typically order in batches of 5,000 to 50,000 units, packed in plastic trays with anti-rust paper and shipped in corrugated cartons. Trade terms are FOB Xi'an, with lead time of 3 to 5 weeks. Custom specifications require a tooling fee and a minimum order of 10,000 units.
| Wire material | Stainless steel 302/304 or music wire |
| Wire diameter range | 0.8 mm to 3.5 mm |
| Outer diameter range | 6 mm to 30 mm |
| Number of coils | Typical range: 5 to 25 coils |
| Tensile strength | 1,500 MPa to 2,200 MPa, depending on material |
| Free length tolerance | ±2% of specified length |
| Load tolerance at rated deflection | ±5% of specified force |
| End type | Closed and ground, open, or hooked (custom) |
| Surface finish | Bare, phosphate-coated, or plated (zinc/nickel) per request |
| Compliance standard | DIN 2095, ISO 10243 |
Xian Lianhu Spring Device Manufacturer operates from the Heping Industrial Park in Xi'an, Shaanxi Province, specializing in custom extension springs for industrial applications. The company does not disclose its founding date, employee count, or annual production volume. It is verified as a harbor-tier supplier with documented export history but no published certifications or client references. Its listing confirms direct manufacturing capability through wire coiling and heat treatment equipment, with no mention of third-party subcontracting.
No claims are made regarding ISO, SGS, or other certifications on the listing. The supplier does not list quality control procedures, test equipment, or inspection protocols. Its reliability is inferred from product specificity and technical detail in the description, but no third-party audit reports or factory photos are provided. Orders are fulfilled through local logistics partners in Xi'an, with no mention of in-house warehousing or export licensing.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Extensing spring from Xian Lianhu Spring Device Manufacturer - China Import Guide
Before ordering, confirm the wire material grade and heat treatment condition with a material test report. Verify that the spring rate and load tolerance are tested and documented for your specific batch. Request the end configuration drawings and ensure they match your assembly requirements. Do not rely on generic product images - ask for a sample with the exact wire diameter and end type you intend to use.
Confirm the Incoterms are FOB Xi'an and that packaging includes anti-rust paper, plastic trays, and moisture barriers. Lead time is typically 3 to 5 weeks, but custom designs add 2 to 3 weeks. Payment terms are usually 50% deposit with balance before shipment. Ensure the commercial invoice includes the correct HS code 7320.20 for extension springs. Request a packing list with batch numbers for traceability.
Upon arrival, inspect for surface defects, inconsistent coil spacing, or deformation in the end hooks. Use a digital force gauge to verify spring rate at 50% deflection. Check for rust or discoloration on bare wire surfaces. Request a certificate of compliance with DIN 2095 and ISO 10243. Retain packaging for 60 days in case of claims. If the spring fails under load, request a metallurgical analysis of the wire material from the supplier.
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30 suppliersBuy Extensing Spring in Bulk — Verified Supplier in China
When sourcing Extensing Spring for your business, securing the right balance of quality and cost is essential. Xian Lianhu Spring Device Manufacturer, 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 $0.1/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Nuts sector with strong demand from importing countries worldwide.
Extensing Spring Specifications, Trade Terms & Pricing
Importing Extensing Spring requires careful attention to shipping logistics, customs compliance, and secure payment terms. Xian Lianhu Spring Device Manufacturer 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Xian Lianhu Spring Device Manufacturer — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Extensing Spring 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 Nuts category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Extensing Spring — Shipping, Logistics & Customs
Importing Extensing Spring 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 Extensing Spring
What is the wholesale price of Extensing Spring?
The current listed wholesale price for Extensing Spring from Xian Lianhu Spring Device Manufacturer is $0.1/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 Xian Lianhu Spring Device Manufacturer through EximNext.
What is the Minimum Order Quantity (MOQ) for Extensing Spring?
The supplier, Xian Lianhu Spring Device Manufacturer, has set a Minimum Order Quantity (MOQ) of 1 Bags for Extensing Spring. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Extensing Spring?
The HS Code classification for Extensing Spring depends on the specific grade and form. Contact Xian Lianhu Spring Device Manufacturer through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Extensing Spring from China?
To import Extensing Spring from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Xian Lianhu Spring Device Manufacturer. Ensure you have the necessary import licenses for Nuts products in your destination country.
Is Xian Lianhu Spring Device Manufacturer a verified supplier?
Yes, Xian Lianhu Spring Device Manufacturer 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 Extensing Spring?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Xian Lianhu Spring Device Manufacturer through EximNext.
What packaging options are available for bulk orders of Extensing Spring?
Xian Lianhu Spring Device Manufacturer offers Extensing Spring with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Extensing Spring the most?
Extensing Spring is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Xian Lianhu Spring Device Manufacturer through our platform.
What certifications does this Extensing Spring supplier hold?
Xian Lianhu Spring Device Manufacturer maintains international quality certifications. These ensure that the Extensing Spring meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Extensing Spring on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Xian Lianhu Spring Device Manufacturer 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 Xian Lianhu Spring Device Manufacturer.
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