SRRP Injection Moldingsales@srrp.com.cn · Global RFQ desk ↗

Custom injection molding for global OEMs

Custom injection molding

SRRP connects DFM, mold engineering, controlled production and quality release for dependable custom plastic parts.

Made-to-drawing partsInjection moldingGlobal RFQ support
Injection molding workshop aisle with presses, operators and packed production
01

From requirement to repeatable productionWorkshop reference · site and tooling are confirmed with the quotation

Start withDrawing, sample or application brief
Design engineeringGeometry · Resin · DFM
Production controlTooling · Trial · Process window
Quality releaseCTQ · First-off · Traceability

Serving OEMs, distributors and industrial service partners

Authorized customer references across automotive and equipment programs
Doosan Infracore XCMG SANY Chery Sinotruk Kia BYD Hyundai

Injection molding engineering system

Design, molding and inspection

Design, tooling and quality teams review the same drawing, material and acceptance requirements.

01Design + DFM
Moldmaking floor with molds staged at assembly and fitting benches
Mold design and tooling

Moldability before tooling

  • InputCAD, mating parts, service conditions
  • ReviewGeometry, resin, tolerance, mold concept
  • OutputDFM decisions + open risks
Review design engineering
02Production engineering
Injection molding production line with automated take-out robots and material handling
Injection molding production

Process control

  • InputDrawing, resin, mold, approved sample
  • ControlSetup basis + process window
  • OutputFirst-off + recurring record
Review production controls
03Quality control
Operator checking molded components at an illuminated workbench beside the molding line
Part handling and inspection

Lot release criteria

  • InputCTQs + approval criteria
  • ControlMethod, sample stage, escalation
  • OutputInspection + release evidence
Review quality control

Custom molded parts

Built to your requirement

SRRP does not sell stock plastic products. Start with CAD, a drawing, physical sample or performance brief; we align geometry, resin, tooling and inspection around the part’s real duty.

Connected manufacturing

One connected production team

Large-press injection molding workshop with automated handling equipment Row of injection molding machines equipped with automated part-removal robots
Workshop and production photographyProduction site and equipment confirmed per project

A dependable custom part is the result of connected decisions. SRRP keeps the application, material, tooling, trial condition, inspection and packing requirements visible from the beginning.

01

Design & DFM reviewGeometry, function, tolerances and moldability reviewed together.

02

Material alignmentResin and engineering plastic selected against actual service conditions.

03

Tooling & trialThe production route is tested before the approved condition scales.

04

Inspection & supplyCritical features, packing and traceability remain tied to the part.

Manufacturing process

First-off inspection

This workbench shows a technician checking molded components after production. The assigned site, machine and inspection plan are confirmed with each quotation.

Injection molding cell First-off inspection Documented quality checks Machine selected for the part
Review manufacturing capabilities
Quality technician inspecting molded components at a controlled workbench
First-off part inspectionFIRST-OFF
QUALITY CONTROL → FIRST-OFF → RELEASE Technician inspecting molded components after production

Five operating control groups

Eight production gates

Five operating control groups summarize the detailed eight-gate lifecycle below.

Mold assembly floor with tooling benches, lifting equipment and molds under preparation
ENGINEERING → TOOLING → TRIAL → RELEASEOne connected production pathMold design, molding, inspection and release
AMaster gates 01–03

Intake + requirements

Application, CTQs, quantity and delivery context.

BMaster gate 04

DFM + material

Wall, draft, resin, critical features and open risks.

CMaster gates 05–06

Mold engineering + trial

Gate, cooling, ejection, trial and corrections.

DMaster gate 07

Qualify + approve

Dimensions, appearance, fit and function.

EMaster gate 08

Production + lifecycle

Startup, checks, traceability, packing and change control.

Review the eight master gates

Quality built around the part

Part acceptance

Quality begins by agreeing on what matters for this component—not by adding a badge after production. The inspection plan follows the application and the approved first-off condition.

MaterialResin grade, color, lot and required declarations
GeometryCritical dimensions, fit, sealing and assembly features
ConditionAppearance, function, packing and shipment release
See the quality approach
Customer-supplied factory photo showing an operator checking molded components
PART INSPECTION WORKFLOWChinese quality personnel, process and approval points made visible.

Public buyer feedback

What customers value

Independent marketplace signals

Public Alibaba supplier data reflects the wider company account, not injection-molding orders only. Values can change as new transactions are recorded. Snapshot reviewed 12 August 2026.

View public supplier profile ↗
02 / Delivery performance 100%

Delivery commitments reported on time

The public supplier listing reports a 100% on-time delivery rate for the company account.

Company-level marketplace performance
03 / Commercial response ≤1h

Questions answered while the RFQ is still moving

Fast acknowledgement matters when an RFQ still has open geometry, material or tooling questions.

Public platform response-time signal

Prepare a stronger RFQ

What we need to quote

Send what you have. A complete CAD package is helpful, but a sample, marked-up photo or concise application brief can also start an engineering review.

Open engineering resources
01

Part definition2D drawing, 3D file, physical sample or clear reference images.

02

Working conditionsTemperature, load, movement, media, UV, wear and contact requirements.

03

Commercial contextPrototype or production quantity, target timing and destination.

04

Approval evidenceCritical dimensions, material records, inspection and packing needs.

Your next custom part

Send your drawing

Share a drawing, sample, photo or application challenge. Our RFQ team will focus the next conversation around the information that matters.