What certifications do the products have?

The products meet SGS and GB standards.

Factory Price 7 Pack Set Diamond Vacuum Brazed M14 Porcelain Core Bits Hole Cutter Drilling Bits for Tile Marble Granite

Name: Factory Price 7 Pack Set Diamond Vacuum Brazed M14 Porcelain Core Bits Hole Cutter Drilling Bits for Tile Marble Granite
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 857890255

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$35.00-58.00

1 Set

Product profile

Customized

Standard

SGS, GB

Length

6mm to 180mm Outer Diameter.

Model NO.

CB-VB 6-180mm

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling, Ceramic, Porcelain, Stone.

Thread

M14

Package

Aluminum Box

Delivery Date

Around 15days

Application

Tile Porcelain

Transport Package

White Box, Blister Card Packing.

Specification

20/27/35/55/68mm

Trademark

Johnson Tools

Origin

China

Production Capacity

30000sets/Month

Key features

7-Piece Core Bit Set: Includes 5 core bits (20-68mm) plus adapter and corner trimming tool.

Diamond Construction: Vacuum brazed diamond bits for efficient drilling in tile, marble, and granite.

OEM/ODM Support: Full customization available from samples, designs, or minor adjustments.

SGS & GB Certified: Products meet SGS and GB standards for quality and safety assurance.

100% Quality Inspection: Every finished product undergoes visual and functional inspection before shipment.

Fast Delivery: Standard delivery around 15 days; peak season lead time is one month.

Global Manufacturer: Established in 2006 with 17 years export experience and global distribution.

Company profile

Years of Export ExperiencePatents AwardedFast DeliveryOEM Services

Johnson Tools Manufactory Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai Port, Ningbo, QingdaoAverage Response Time: ≤5.04h

AI-Powered supplier vetting

SummaryThe supplier provides OEM and ODM services and supports extensive customization, including sample-, design-, full-, minor-, and flexible customization. It has 17 years of export experience, self-managed import/export rights, 90% export sales, and accepts multiple trade and payment terms. Production is conducted on one line, supported by 11–20 quality-control staff and stated advanced equipment and checking systems. However, no management-system certifications, SDK, new products in the past year, overseas service facilities, or offline trade-show participation are reported. Service procedures and complaint handling lack written records, and production batches are not continuously reconciled. Financial and cash-flow evidence is limited to year labels, so financial credibility cannot be conclusively assessed.

Supplier typeThe supplier is an OEM/ODM manufacturer with its own factory location, one production line, stated production output, advanced equipment, and a technical workforce. It also provides export services directly through self-managed import/export rights, indicating a manufacturing-oriented supplier rather than a pure trading intermediary.

CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. This is a stated absence of certification evidence and represents a deficiency for this field.

After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and it lacks written service-assessment and corrective/preventive-action procedures or records. It also reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, limiting documented overseas service support.

R&D capabilityThe supplier provides ODM and broad design customization, but reports no available SDK and no new products during the past year. These explicit limitations outweigh the design-service evidence when assessing demonstrated recent innovation capability.

Production capacityThe supplier reports one production line, 11–20 quality-control staff, advanced production and checking equipment, and flexible export fulfillment with one-month lead times in both peak and off-season. However, it does not continuously reconcile quantities for each batch or mass production, so production controls are not fully documented.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also offers ODM services. This is strong direct evidence of broad customization capability.