What is the average lead time for production?

Peak season lead time is 1-3 months, and off-season lead time is one month.

Fire Retardant Electrically Insulating FRP Square Rectangular Hollow Pipe Tubes

Name: Fire Retardant Electrically Insulating FRP Square Rectangular Hollow Pipe Tubes
Brand: Nanjing Spare Composites Yizheng Co., Ltd
SKU: 2258135075

Jiangsu, ChinaNanjing Spare Composites Yizheng Co., Ltd

US$3.00-5.00

1,000 Meters

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Customized

Color

Customized

Surface Treatment

Finished

Forming Way

Pultrusion

Shape

Square

Type

Pipe

Feature

Corrosion Resistance

Application

Building

Material

Resin and Fiberglass

Transport Package

Box

Specification

Customized

Trademark

SPARE

Origin

China

HS Code

3926909090

Key features

Customized Color and Shape: Offers customized color options and square rectangular hollow pipe shapes.

Corrosion Resistance: Made from resin and fiberglass for superior corrosion resistance in harsh environments.

Pultrusion Manufacturing: Produced using advanced pultrusion technology for high strength and consistency.

Extended Structural Warranty: Core structural components enjoy a 3-year warranty, while general products have 1-year coverage.

Fast After-Sales Response: Technical staff provide preliminary response within 2 hours of issue reporting.

Comprehensive Repair Services: Paid repair and renovation services available for products beyond warranty period.

OEM and ODM Support: Full customization, minor customization, and design-based customization services available.

Global Market Presence: Exported to North America, Europe, Southeast Asia, and other regions for 17 years.

Company profile

Nanjing Spare Composites Yizheng 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 PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier operating in specialized machinery and related composite-material sectors. It provides 3D software design and multiple customization modes, supported by two R&D engineers. Quality and service processes are documented, including finished-product inspection, warehouse control, complaint handling, and corrective actions. The supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports cooperation with Fortune 500 companies. However, it has no available SDK, no overseas warehouse or showroom, and no valid manufacturing-capacity contract with related subcontractors. Financial information is limited to years shown in the records and does not provide sufficient evidence for a credibility judgment.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated scope includes machinery for building-material production, specialized machinery manufacturing, engineering management, mold manufacturing, and composite-material products, indicating an industrial equipment and technical manufacturing profile.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates, along with other product or management certifications. These records explicitly demonstrate established quality, occupational safety, and environmental management certification.

After-Sales capabilityR&D engineers are responsible for technical support during production and after-sales service. The supplier also has written and recorded procedures for service-capability assessment, corrective and preventive actions, and customer complaint handling, providing explicit evidence of structured after-sales processes.

R&D capabilityThe supplier provides 3D software design services and has two R&D engineers responsible for technical requirement confirmation, production and after-sales support, and new-product development. However, it explicitly has no available SDK, so innovation capability is evidenced but technically limited in that area.

Production capacityThe supplier has documented finished-product inspection instructions, written warehouse quality-control procedures with records, four quality-control staff, and 14 test-equipment units. It also reports in-stock capability, but lacks a valid manufacturing-capacity contract with related subcontractors; the available evidence supports internal production controls but does not fully establish broader capacity strength.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, indicating broad support for customer-specific product development.

Client casesThe supplier reports 17 years of exporting experience and cooperation with Fortune 500 companies. It also reports a repeat-buyer preference rate of 50%–80%, providing positive customer-history evidence, although no specific customer names or project details are supplied.

Product Q&A

Q:What is the product warranty period and what does it cover?

All products enjoy a 1-year free warranty service, and the warranty period for core structural components (such as load-bearing profiles and railing main frames) is extended to 3 years. The warranty scope includes: production process defects (such as bubbles, delamination, cracks) and substandard performance (such as insufficient strength). The following situations are not covered by the warranty: damage caused by human impact, failures caused by improper installation, and wear beyond the scope

Q:How to handle quality problems and what is the after-sales response time?

Processing procedure: 1,Customers feedback problems through the service hotline or sales specialist, and provide the order number and photos/videos of the problems. 2,The technical staff will give a preliminary response within 2 hours to determine the cause of the problem. 3,For issues covered by the warranty, a solution (repair or replacement) will be provided within 48 hours. Replacement parts will be delivered within 7-10 working days in mainland China. 4,For on-site maintenance, technicians

Q:Can product repair or renovation services be provided?

Yes! For products beyond the warranty period, we provide paid repair and renovation services: 1,Repair: Material and labor costs are charged according to the degree of damage, and replacement parts enjoy the ex-factory price. 2,Renovation: For products with surface aging and coating wear, professional grinding and repainting services are provided. After renovation, the performance can be restored to more than 90% of the new product, and the cost is only 30%-50% of the new product.

Q:What is the minimum order quantity?

The minimum order quantity is 100 metres.

Q:What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment.