What certifications does the company hold?

The company is certified under ISO9001:2015 for its management system.

How is quality control handled for finished products?

Finished products undergo 100% inspection, including visual and function inspections, following uniform instructions.

Heat Shrink Cap for Preinsulated Pipeline

Name: Heat Shrink Cap for Preinsulated Pipeline
Brand: Qingdao Julian Plastic Co., Ltd.
SKU: 2098401082

Shandong, ChinaQingdao Julian Plastic Co., Ltd.

US$3.00

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Usage

Pipe Joint

Material

HDPE

Model NO.

DN200--DN3000

Color

Black

Width

500mm

Length

5000mm

Thickness

1.5mm-3mm

Transport Package

Bagged

Specification

32mm

Trademark

Origin

Chian

HS Code

3921909090

Production Capacity

50000

Key features

Effective Moisture Sealing: Seals pipe ends to prevent moisture and impurities from entering the insulation layer.

HDPE Material Construction: Made from high-density polyethylene for durability and corrosion resistance.

Mechanical Protection: Protects pipeline ends from collision and corrosion during transport and installation.

Wide Diameter Range: Available for pipe diameters from 159mm to 1420mm with specific thickness options.

OEM/ODM Support: Manufacturer offers OEM and ODM services with flexible customization options.

ISO9001 Certified: Production managed under ISO9001:2015 certification with 100% finished product inspection.

Company profile

High Repeat Buyers ChoicePatents Awarded

Qingdao Julian Plastic Co., Ltd.

Shandong, 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.Average Response Time: ≤0.46h

AI-Powered supplier vetting

SummaryQingdao Julian Plastic Co., Ltd. is identified as a professional technical manufacturer of pipeline joint rehabilitation products and related sewage-pipe products. It has professional R&D personnel, three production lines, stated in-stock capability, customization from samples and designs, and an ISO 9001:2015 certificate. However, it does not provide 3D software design services, reported no new products in the past year, lacks written corrective-action and outsourcing procedures, and finished products are checked by packing staff. The supplier has no valid manufacturing contract with associated subcontractors, no overseas warehouse or showroom, and limited documented export-trade experience. The evidence supports strengths in supplier specialization, certification, customization, and basic production resources, while after-sales capability and customer-case evidence remain insufficient.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and as a comprehensive manufacturer specializing in pipeline joint rehabilitation products. Its listed products include sewage pipes, electrofusion belts, heat-shrinkable sleeves, and clamps, indicating a focused manufacturing role in plastic pipeline and rehabilitation solutions.

CertificationsThe supplier holds an ISO 9001:2015 management-system certificate. This is explicit evidence of certification relevant to quality-management practices.

Production capacityThe supplier has multiple production-related machines, advanced sheet and heat-shrinkable-tape production lines, three production lines, in-stock capability, and stated lead times within 15 workdays in both peak and off-peak periods. Countervailing controls include no continuous batch quantity reconciliation and no written outsourcing SOP; additionally, no valid manufacturing contract exists with associated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples and designs. Its company description also states that it provides customized processing according to customer requirements, supported by product development and production personnel.

Product Q&A

Q:What is the primary function of this heat shrink cap?

It seals pipe ends to prevent moisture, rainwater, and impurities from infiltrating the polyurethane foam insulation layer, maintaining insulation performance.

Q:What material is used for the heat shrink cap?

The cap is made from HDPE (High-Density Polyethylene) and is black in color.

Q:What are the standard dimensions for width and length?

The standard width is 500mm and the length is 5000mm. Thickness varies by diameter, ranging from 1.5mm to 3mm.

Q:Does the manufacturer support customization?

Yes, OEM and ODM services are available, including customization from samples, designs, and flexible minor or full customization.

Q:What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.