Is quality inspection performed before shipment?

Yes, 100% inspection including visual and functional checks is conducted by our 8 QA/QC inspectors.

Nqwl Hqwl Pqwl Diamond Core Drill Bit for Limestone

Name: Nqwl Hqwl Pqwl Diamond Core Drill Bit for Limestone
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 752910115

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

US$110.00-400.00

1 Piece

Product profile

Customized

Standard or Customized

Standard

ISO 9001

Length

Stub-length

Model NO.

NQWL HQWL PQWL NX NWG PQ HQ NQ

Type

Core Drill Bit

Material

Diamond

Usage

Well Drilling, Rock Core Drilling

Transport Package

Cartons or Ply-Wooden Cases

Specification

DCDMA, CDDA, ISO

Trademark

FORSUN

Origin

Changsha

HS Code

82071910

Production Capacity

15, 000PCS/Year

Key features

Six Core Bit Types: Impregnated, Surface set, Tungsten Carbide, PDC, PCD, and Electroplated Diamond types available.

Extensive Size Range: Supports Wireline, T, TT, T6, B, MLC, LTK, WF, WT, WG, WM series and Chinese/Russian standards.

Full Customization: Offers customization from samples, designs, full customization, minor changes, and flexible options.

Special Size Production: Special sizes can be manufactured according to specific customer requests.

100% Quality Inspection: Finished products undergo 100% visual and functional inspection by 8 QA/QC inspectors.

Fast Lead Time: Average lead time is within 15 working days for both peak and off-season periods.

ISO 9001 Certified: Standard compliance with ISO 9001 quality management system certification.

Wide Application Scope: Suitable for drilling rock, concrete, limestone, granite, marble, clay, basalt, schist, and quartz.

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: ≤15h

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.