How about the samples?

Our samples are free . we could send you the sample, most samples are free to send to most place.

4 Concrete Tight Ent Round Slab Box

Name: Ctube Grey 1/2 3/4 Concrete Tight Ent Round Slab Box
Brand: Guangdong Ctube Industry Co., Ltd.
SKU: 2122393125

Guangdong, ChinaGuangdong Ctube Industry Co., Ltd.

US$6.87-20.89

500 Pieces

Sample price:US$0.20/piece.Request sample

Product profile

Customization

Available

Color

Grey

Application

Electrical Wire Cable Protection

Model NO.

ENTSB

Material

PVC

Certification

UL, cUL

Standard

UL, CSA

Package

Negotiated

Feature

Concrete Tight

Flam Retardant

Yes

Usage

Use with Ent Tubing

Key Words

Ent Slab Box

Flame Retardant

V0 Fire Rating

Factory 1

Ctube in Dongguan

Factory 2

Ctube in Lechang

Transport Package

Carton

Specification

1/2", 3/4", 1"

Trademark

Ctube

Origin

Dongguan, China

Production Capacity

10000000 Meters/Week

Key features

UL & CSA Certified: Complies with UL and CSA standards for electrical safety and quality assurance.

Concrete Tight Design: Specifically designed to withstand concrete pouring and protect cables in construction.

Fire Resistant V0: Features V0 fire rating and flame retardant properties for enhanced safety.

Corrosion & Impact Resistant: High durability against corrosion and physical impact using 100% new raw materials.

Custom Mold & Package: Supports custom mold opening and personalized package design for buyers.

Free Quality Samples: Provides free samples for quality inspection before placing bulk orders.

OEM/ODM Service: Offers full customization options including designs, samples, and minor adjustments.

Professional Support: Dedicated team providing trading services, after-sales support, and IP protection.

Company profile

Full CustomizationR&D CapabilitiesSelf-brandedHigh Repeat Buyers Choice

Guangdong Ctube Industry Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: N/A CertifiedNearest Port: shenzhen portAverage Response Time: ≤3.61h

AI-Powered supplier vetting

SummaryGuangdong Ctube Industry Co., Ltd. is a China-based manufacturer established in 2014 with 147 employees. Its stated business covers R&D, production, and sales of building materials, plastic pipes and fittings, and other plastic products. The supplier holds ISO 9001:2015 certification and reports documented procedures for service assessment, corrective and preventive actions, and complaint handling. It has manufacturing contracts with associated subcontractors, inventory capability, overseas warehouse and showroom capabilities, and export experience dating from 2011, with exports representing 41%–50% of total sales. The supplier reports OEM service for well-known brands, an available SDK, and participation in an offline trade show. However, the provided information does not establish financial strength, internationally recognized design awards, overseas agents or branches, specific production volumes, or identifiable customer case details.

Supplier typeThe supplier is identified as a manufacturer and limited company, with its business covering R&D, production, and sales of building materials, plastic pipes and fittings, and plastic products. Its combined company classification is consistent with a manufacturing-oriented supplier.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 certificate, along with unspecified additional certifications. This provides direct evidence of a certified quality management system, although the other certifications are not identified.

After-Sales capabilityThe supplier reports inventory capability, overseas warehouse and showroom capabilities, and documented procedures for service assessment, corrective and preventive actions, and customer complaints. It also lists debugging, maintenance, repair, training, and equipment installation services, but has no overseas agents or branches and reports zero countries served overseas.

R&D capabilityThe supplier states that it continuously develops innovative products, reports an available SDK, and has established an AI model for big-data processing and management decision support. However, it reports zero internationally recognized design awards, so the evidence supports innovation activity but not externally recognized design performance.

Production capacityThe supplier conducts manufacturing of building materials and plastic products, has contracts with associated subcontractors, maintains inventory capability, and lists automatic extrusion and flexible conduit production facilities. It also reports PVC conduit meter-based productivity information, but no specific output volume or capacity target is provided.

Customization capabilityThe supplier explicitly reports OEM services for well-known brands, directly supporting its ability to manufacture for branded customers. The available information does not specify customization scope, tooling capability, minimum order requirements, or product-development processes.