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2 Shot Over Molding

SJ Group has 34 years’ experience in plastic injection molds for 2 shot overmolding. We made varied types of plastic injection molds 2K for different customers.SJ Group covers three major areas of 2k mold such as Rotate Plate system、Core Back and Index Plate. You can believe that cooperate with us will be your wisest choice.

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Fast Delievery
Quality Assurance
24/7 Customer Service

Product Introduction

Good at Big Project Management

1. In the early stage of the project, SJ professional MF and DFM technical engineers will provide technical support；

2. Once the project kick off, there will be a special team to serve the large mold project. In SJ Group, total 50 designer, 36 project engineers, 25 tooling engineers, 220 tool maker, 55 quality engineers；

3. Before the project kick off, SJ will organize sales engineer, project engineer, technician, designer and tool maker to conduct preliminary communication；

4. Mold shipping does not mean the end of SJ service, SJ will fast response the customer's demands base on SJ world service system. SJ Europe, SJ America and SJ Mexico will take care of after sales service for our global customer, we will be right there, no matter when or where the customer contact us.

SJ Group offer Strong Technical Support

SJ Group offer DFM and Mold flow report to support customer’s product development.

DFM Report includes parting line, Gate location and type, Ejection, Part layout and mould structure, Draft angle check, Wall thickness analysis, Surface treatment, Engraving, Tolerance study, Part issue and suggestion etc.

Mold Flow Report includes Material Data, Process Suggestion, Runner and gate Design, Wall Thickness, Filling Video, Injection Temperature, V/P Switchover, Injection pressure, Clamping force, Shear Rate, Volumetric shrinkage, Sink marks, Weld line, Air trap, Deflection etc.

Customer Feedbacks to SJ Group

We kept close communication with customers, and are highly praised by customers.

Perfect Mold Shipping

All the molds SJ made include these 19 documents/data when shipping. The disk cover these data will ship together with the mold, and we also uploaded the data to FTP site for easy downloading.