Ningbo Dalang Building Materials Co., Ltd.Ningbo Dalang Building Materials Co., Ltd.
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Our actual extrusion production area
In-house extrusion · Ningbo, China

Custom PVC extrusion

Inside Dalang

Ningbo Dalang Building Materials Co., Ltd. focuses on custom PVC extrusion in our own workshop. PE, ABS and PP are reviewed for each project. Secondary processing and custom packaging are confirmed around your requirements.

Injection-moulded components are supplied through partner factories.

ISO 9001:2015Quality management system
PVC / PE / PP extruded stripsRoHS documentationFor specified plastic profile models
View document scope
Explore quality & compliance

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Materials & extrusion

PVC first. Other materials by project.

Tell us your specified material, or start with a drawing or sample. We will review the intended use and material requirements with you.

PVCPVC profile detailsPEDiscuss PE profilesABSDiscuss ABS profilesPPDiscuss PP profiles

From drawing or sample to delivery

From drawing or sample
to finished profiles.

We review your drawing or sample, confirm requirements and make the tooling. You approve the trial sample before mass production begins.

01—03

Confirm the requirements

Review & Tooling

  1. 01

    Share a Drawing or Sample

    Send your drawing or arrange to provide a physical sample so we can start the review.

  2. 02

    Drawing / Sample Review

    Review the drawing or sample and confirm the profile details with you before tooling.

  3. 03

    Tooling

    Prepare tooling for the confirmed profile design.

04—06

Approve before we produce

Sampling & Production

  1. 04

    Sampling

    Produce samples for review.

  2. 05

    Sample Approval

    Review the trial sample against the agreed profile requirements before approving mass production.

  3. 06

    Mass Production

    Produce to the agreed profile requirements and approved sample.

07—09

Prepare for delivery

Processing & Delivery

  1. 07

    Secondary Processing

    If required: cutting, punching, engraving or welding.

    If required
  2. 08

    Packaging

    Pack to the agreed project requirements.

  3. 09

    Shipping

    Arrange shipment as agreed.

Before toolingBefore new tooling begins, confirm the quotation, order requirements and payment arrangements.

Sample review & resubmissionIf a sample is not approved, we review the required changes, adjust the tooling, process or production parameters as needed, and resubmit a sample for approval.

Typical workflow for new custom tooling. Processing, packaging and shipment arrangements are confirmed for each project.