This mold is specially designed by JinYi Mold for large-scale production projects of front and rear bumpers of passenger cars, and has successfully served many overseas customer projects. In view of the bumper's large size (1600–1900 mm), long flow channels, and extremely stringent Class A surface requirements, this mold combines DFM-driven design, mold flow analysis and optimization, and practical experience in large-scale injection molding parts. It is committed to solving core problems such as long flow channel filling, integrated sensor area processing, and large surface deformation control, ensuring stable assembly consistency and meeting short-cycle mass production needs.
With a dedicated large-scale mold workshop, high-precision steel processing capabilities, and an engineering team of more than 500 people, JinYi Mold provides comprehensive process solutions from feasibility analysis to mass production support. We use high-strength steel materials such as ASSAB 8407 (mold core) and 2316 (mold cavity). The design life of the mold can support the production needs of 300,000 to 800,000 molds. We use 1200-2500 ton injection molding machines for verification and production to provide customers with flexible and stable mass production guarantees for their diverse models.
Optimize gate size/position, parting line and wall thickness transition zone through DFM review; use mold flow analysis (Moldflow) to optimize flow balance and holding pressure under long runner geometry, and control temperature variation within ±2–3°C to minimize warpage deformation.
The mold adopts a two-point structure and is equipped with a multi-point valve hot runner system to achieve smooth filling. The key innovation lies in the inclusion of 45–60 groups of parallel and conformal channel cooling circuits, combined with the design of interchangeable inserts for license plate areas, sensor brackets and other areas, achieving efficient cooling and flexibility in adapting to multiple models.
A balanced ejection system layout is adopted to reduce deformation of thin-walled sections; through high-speed processing and multi-stage polishing, a uniform gloss and defect-free Class A surface is achieved in a wide visible area, and the flatness can be controlled to ≤0.4 mm before leaving the factory.
Each large bumper mold needs to pass systematic verification to ensure that it meets the stringent standards of global OEMs:
Perform multiple rounds of mold trials from T0 to T3 to continuously optimize the process, with the goal of shortening the production cycle by 15–18%.
Use a three-dimensional coordinate measuring machine (CMM) to perform full-scale report analysis on samples containing 100–200 measurement points.
Professional inspection of surface gloss, texture and weld line quality, and assembly fit inspection on OEM tooling fixtures.
The mold is delivered as a turnkey solution and comes with a complete documentation package: including 2D/3D design files, mold flow analysis and DFM reports, CMM inspection records, steel grade and hardness certificates, mold trial video/photo records, and spare parts lists and maintenance guides to ensure that customers can better connect to mass production.
This project reflects JinYi Mold's engineering strength as a large automotive mold manufacturer in providing high-stability, long-life mass production solutions in the field of large-size injection molds for automotive exterior parts. Our factory with an annual production capacity of 280-350 sets of automotive molds is equipped with a complete equipment chain including a 2,500-ton mold trial machine, and is committed to ensuring reliable quality and delivery for global customers.
Jinyi Mold was established in 1998 and is headquartered in Dongguan, Guangdong. Our professional team provides injection mold and die-casting mold services, providing you support in every aspect from design, manufacturing to final assembly.
dozens of CNC machining centers (gantry & 5-axis), injection molding machines (80-1600 tons), EDM machines, automation equipment, etc.
Establish solid partnerships with Europe, Australia and Asia to carry out international export business.
Company production capacity: A 13,000㎡ production base in Maoming (built in 2022), backing an annual turnover surpassing 150 million RMB.
Possess High-Tech Enterprise Certification, ISO9001:2015 Quality management system certification.
Logistics follows international transportation standards, and packaging is packed in reinforced wooden boxes, filled with PE foam and wrapped in moisture-proof bags.
Marketing: Selina Chan
WhatsApp:+8618969686504
Email:selina@jy-mould.com
Contact us to discuss how we can support your project needs
Please know that when you choose Jinyi Mold, we are not only a supplier, but also a Chinese manufacturing partner with 25 years of experience in mold design, manufacturing, and assembly.
We specialize in providing high-precision mold manufacturing and injection molding solutions for industries including automotive, home appliances, consumer electronics, medical devices, and industrial equipment.
Quality is controlled through a comprehensive system, including mold flow analysis, strict material certification, in-process inspections, and final product testing. We also provide complete documentation such as steel certificates, hardness reports, and dimensional inspection reports.
For mold making, the lead time is typically 4–6 weeks after design approval. For mass production of plastic parts, it usually takes 2–3 weeks depending on part complexity and order quantity.
Yes, our engineering team provides full support from DFM (Design for Manufacturability) analysis to mold design optimization, helping customers accelerate product development and reduce production risks.
Our standard terms are 50% deposit upon order confirmation and 50% balance payment before shipment. Flexible payment arrangements can be discussed based on project scope and cooperation level.
Absolutely. In addition to mass production, we offer low-volume manufacturing, rapid prototyping via 3D printing and silicone molding, ensuring customers can quickly validate designs before full-scale production.
We accept a wide range of file formats including STEP, IGES, DWG, and PDF for mold design, DFM analysis, and quotation preparation.
Yes, we provide mold maintenance instructions with each shipment. If any issues occur, our technical team offers remote support or on-site service depending on the situation.
Yes, we have extensive experience in multi-cavity, family molds, and complex molds that require interchangeable inserts, ensuring cost-effective and efficient production for customers.
We are familiar with a wide range of thermoplastics including ABS, PC, PA, POM, PP, TPE, TPU, and high-performance engineering plastics based on customer requirements.
Yes. We are experienced in manufacturing molds compliant with international standards such as HASCO, DME, and MISUMI, ensuring smooth integration with overseas production lines.
We take IP protection seriously. We are willing to sign NDAs (Non-Disclosure Agreements) and have strict internal controls to ensure all customer designs and projects remain confidential.
