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

Custom injection molding for global OEMs

Injection molded parts.
Ready to repeat.

From part DFM and resin selection to tooling, process validation and recurring production, SRRP turns CAD into dependable custom plastic components for industrial OEM programs.

Established 2016Injection moldingGlobal RFQ support
Representative visualization of a precision injection mold with custom industrial components
01

From requirement to repeatable productionRepresentative product visualization · project geometry is custom

Start withDrawing, sample or application brief
Engineering pathMaterial · DFM · Tooling
Approval pathTrial · First-off · Inspection
Supply pathProduction · Packing · Delivery

Serving OEMs, distributors and industrial service partners

Selected automotive and equipment customer references
Doosan Infracore XCMG SANY Chery Sinotruk Kia BYD Hyundai

What buyers need resolved

Control the decisions that make an injection molded part repeatable.

Most sourcing risk appears between functions: the drawing says one thing, the application needs another, and the production evidence arrives too late. SRRP structures the review around five buyer risks.

01

Geometry risk

Draft, wall, ribs, bosses, undercuts, assembly and cosmetic zones reviewed before steel decisions.

02

Material risk

Thermoplastic grade, color and declarations connected to temperature, load, contact and environment.

03

Tooling risk

Cavity route, gate, cooling, ejection, life and ownership assumptions recorded in the quotation.

04

Approval risk

First-off dimensions, appearance, fit and function mapped to the evidence the customer will use.

05

Supply risk

Startup, in-process control, lot identity, packing and change review tied to the released condition.

Product systems

Plastic parts engineered around fit, function and repeatability.

Start with the application, drawing or physical sample. We align geometry, resin, tooling and inspection around the part’s actual working conditions.

Customer-supplied production floor evidence from the authorized manufacturing network Customer-supplied view of an operator at an inspection station
Customer-supplied manufacturing evidenceProduction site confirmed per project

Connected manufacturing

Fewer handoff gaps.
Better production decisions.

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.

Established2016
Company size51–200 people
Core programsAutomotive + machinery
Export marketsEurope · USA · Southeast Asia · Russia

Capability fit is verified against the actual drawing, resin, mold envelope, annual demand and approval requirement. Equipment, tolerances, documentation and timing are confirmed in the written project response—not assumed from a generic range.

Explore our manufacturing capabilities See how to evaluate the evidence

Manufacturing evidence

See design, production and inspection in motion.

The customer-authorized manufacturing film shows CAD review, production equipment, component handling and inspection. The responsible production site and equipment allocation are still confirmed for each quoted project.

CAD + requirement review Injection + production equipment Part handling + inspection Authorized partner manufacturing context
Open the manufacturing evidence center
Authorized manufacturing-partner preview · 00:28 · playback starts only on request

Project workflow

A clear path from first file to repeat supply.

Every custom program is different. The decision gates should still be visible, so engineering and purchasing teams always know what happens next.

01Define

Requirement review

CAD, drawing, application, performance target, quantity and delivery context.

02Engineer

DFM + material

Geometry, resin grade, critical features and open molding risks aligned.

03Build

Tooling + trial

Tool route, trial condition and corrections made visible before release.

04Approve

First-off evidence

Dimensions, appearance, fit and functional requirements reviewed together.

05Supply

Repeat production

Inspection, labeling, packing and shipment tied to the approved condition.

Quality built around the part

Make “approved” specific enough to repeat.

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 partner inspection and assembly workstations
REAL PRODUCTION EVIDENCEPeople, process and approval points made visible.

Prepare a stronger RFQ

The first useful quote begins with the right context.

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

Bring us the requirement.
We’ll map the production path.

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