Do you provide after-sales service and warranty?

Yes, after-sales service and warranty are available for our products.

What types of core barrels do you manufacture?

We manufacture single tube, double tube, and triple tube (triplex) core barrels compatible with various wireline series.

What is your quality control process?

We conduct 100% inspection on finished products, including visual and function inspections, guided by 8 QA inspectors.

Nq Core Spring for Core Barrel Drilling

Name: Nq Core Spring for Core Barrel Drilling
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 762920995

Hunan, ChinaForsun Ultra-hard Material Industry Co., Ltd.

US$4.00-7.00

1 Piece

Product profile

After-sales Service

Available

Warranty

Available

Size

Nq, Hq, Pq, Ltk, T2, T6, T6s, Hwf, Pwf, Nwg, Hwg

Model NO.

NQ WLN

Transport Package

Cartons or Wooden Cases

Specification

ISO9001

Trademark

Forsun

Origin

Changsha Hunan

HS Code

84314320

Production Capacity

100 Sets Per Month

Key features

Comprehensive Size Range: Available in NQ, HQ, PQ, LTK, T2, T6, T6s, HWF, PWF, NWG, HWG and other standard sizes.

Full Customization Support: Offers full customization, minor customization, and flexible customization from samples or designs.

Professional Manufacturing: Specialized manufacturer with 13 production lines and advanced CNC and sintering equipment.

Strict Quality Control: 100% inspection for finished products including visual and function checks by 8 QA inspectors.

Established Expertise: Company founded in 2001 with 22 years of export experience and university research partnership.

Global Service Network: Products distributed worldwide with available after-sales service and warranty support.

Wide Application Scope: Suitable for mineral exploration, site investigation, and water well construction projects.

Diverse Product Types: Includes single, double, and triple tube core barrels compatible with various wireline series.

Company profile

Years of Export ExperienceExperienced TeamQuality AssuranceManagement Certification

Forsun Ultra-hard Material Industry Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 22 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤11.25h

AI-Powered supplier vetting

SummaryForsun Ultra-hard Material Industry Co., Ltd. is a China-based limited company established in 2001 with 107 employees, supplying drilling tools and accessories including core bits, core barrels, drill rods, casing pipes, reaming shells, and related equipment. It reports broad customization and ODM capabilities, documented quality and complaint-handling procedures, eight quality inspectors, and stated annual output of 250,000 core bits and 100,000 reaming shells. The supplier has valid manufacturing contracts with associated subcontractors, inventory capability, and lead times within 15 working days in both peak and off-season. However, no certifications, customer cases, overseas agents or branches, overseas warehouse, showroom, or offline trade-show participation are documented. It also does not provide OEM services for popular brands or an SDK. Financial information is present only as year references, without sufficient evidence to assess financial credibility.

Supplier typeThe supplier is identified as Forsun Ultra-hard Material Industry Co., Ltd., a combined business entity and limited company located in Hunan, China. It is not reported as an offshore company or part of a larger company group, and it offers drilling tools and accessories.

After-Sales capabilityThe supplier reports clear, followed procedures for customer complaints and corrective/preventive actions, plus inventory capability and standard quotation/payment options. However, it has no overseas warehouse, showroom, overseas agents or branches, and offers overseas service coverage in zero countries, indicating documented service processes but limited overseas infrastructure.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, supporting active product-development capability. It reports no available SDK and does not provide OEM services for popular brands, but these limitations do not negate the stated R&D and ODM capabilities.

Production capacityProduction evidence includes named manufacturing equipment, eight quality inspectors, annual output of 250,000 core bits and 100,000 reaming shells, valid contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season. These stated resources and capacity indicators support production capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad customization range is reported in both R&D and design-service information.