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We accept LC, T/T, PayPal, Small-amount payment, and D/P.

Do you provide quality inspection?

Yes, we perform 100% inspection including visual and function checks for all finished products.

4-3/8" 3c Nmlc Hmlc Diamond Core Bit

Name: 4-3/8" 3c Nmlc Hmlc Diamond Core Bit
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 777280145

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

US$105.00

2 Pieces

Product profile

Customized

Standard or Customized

Standard

ISO 9001

Type

Core Drill Bit

Model NO.

4-3/8" 3C 4C NMLC HMLC BMLC

Material

Diamond

Usage

Core Drilling

Transport Package

Cartons or Wooden Cases

Specification

CDDA DCDMA

Trademark

FORSUN

Origin

Changsha

HS Code

82071910

Production Capacity

1000 Per Month

Key features

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

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

Full Customization Options: Provides customization from samples, designs, full customization, and flexible minor adjustments.

Versatile Drilling Applications: Suitable for drilling rock, concrete, limestone, granite, marble, clay, basalt, schist, and quartz.

100% Finished Product Inspection: All products undergo visual and function inspection with uniform instructions followed.

Rapid Lead Time: Peak and off-peak season lead times are both within 15 working days.

Low Minimum Order Quantity: Accepts orders starting from just 1 piece.

Flexible Payment Terms: Supports LC, T/T, PayPal, Small-amount payment, and D/P.

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.