Premier Manufacturer of Two-Color Injection Molded Rubber Parts | High-Precision Processing Solutions

Guangdong Yingtai High Precision Technology Co., Ltd. delivers OEM/ODM two-color injection molded rubber parts with 55+ LSR machines, 80+ plastic injection systems, and 20+ years of expertise in liquid silicone, overmolding, and multi-material solutions. ISO 9001 certified, serving new energy, electronics, medical, and industrial sectors.

1. High Tooling Costs & Long Lead Times

Two-color molds require precise alignment systems and specialized cavity designs. Traditional suppliers often quote USD 20,000-50,000+ for complex two-shot molds with 12-20 week lead times, delaying time-to-market.

➤ Yingtai Solution: In-house mold design + 55 LSR machines = 30% faster tooling at 15-25% lower cost

2. Material Compatibility Issues

Bonding failures between silicone + TPE or rubber + plastic cause 3-7% defect rates in production. Poor adhesion leads to delamination and reduced product lifespan.

➤ Yingtai Solution: Plasma treatment + primer coating = 99.8% adhesion success rate

3. Inconsistent Color Matching

Color variations between production batches lead to rejection rates of 5-10%. Pantone matching for rubber is 3x harder than plastic due to pigment dispersion challenges.

➤ Yingtai Solution: Spectrophotometer calibration + closed-loop color management = ΔE ≤ 1.0 color consistency

Powerful Factory

35,000 sqm facility with 155+ injection machines and 30+ precision mold processing equipment for high-volume production.

Quality Assurance

ISO 9001 certified with 20+ advanced testing instruments for 100% inspection of critical dimensions.

OEM/ODM Design

Full product development from concept to mass production, including DFM analysis and prototype validation.

High-Speed Delivery

15-20 days for prototypes, 4-6 weeks for mass production with 98% on-time delivery rate.

1. What materials can be combined in two-color injection molding?

We specialize in LSR + Plastic (ABS, PC, PA, PP), Silicone + TPE, EPDM + NBR, and Silicone + Metal combinations. Our plasma treatment and primer coating technologies ensure superior adhesion between dissimilar materials.

2. What is the minimum order quantity (MOQ) for custom two-color parts?

Our standard MOQ is 1,000 units for new projects, but we can accommodate smaller quantities (500+ units) for prototypes and pilot runs. For high-volume production, we offer competitive pricing starting from 5,000+ units/month.

3. How do you ensure color consistency across production batches?

We use spectrophotometer calibration with closed-loop color management systems to maintain ΔE ≤ 1.0 color consistency. Our Pantone matching process includes pre-production color approval and batch testing.

4. What industries do you serve with two-color injection molded parts?

Our primary markets include:

• ✓ New Energy Vehicles (EV charging components, seals, grommets)
• ✓ Consumer Electronics (smartphone cases, wearable straps, buttons)
• ✓ Medical Devices (surgical instruments, drug delivery systems, seals)
• ✓ Industrial Equipment (vibration dampeners, hydraulic seals, valves)
• ✓ Household Appliances (soft-touch grips, waterproof seals, decorative trim)

5. How long does it take to develop a new two-color injection molded part?

Prototype Development: 2-3 weeks (including mold design and first article inspection)
Tooling Production: 4-6 weeks (for complex two-shot molds)
Mass Production: 4-6 weeks after tooling approval
Total Lead Time: 8-12 weeks for new projects from concept to delivery

6. Do you provide design support for two-color injection molding?

Yes, we offer full OEM/ODM services including:

• ✓ Product Concept Development
• ✓ Material Selection Guidance
• ✓ DFM (Design for Manufacturing) Analysis
• ✓ Prototype Validation & Testing
• ✓ Tooling Design & Optimization

7. What quality control measures do you have in place?

We implement a comprehensive quality management system including:

• ✓ Incoming Material Inspection (100% for critical materials)
• ✓ In-Process Quality Control (Dimensional checks every 2 hours)
• ✓ Final Product Inspection (AQL 0.65 for cosmetic defects, 0.1 for functional)
• ✓ 20+ Advanced Testing Instruments (CMM, Spectrophotometers, Tensile Testers)
• ✓ ISO 9001:2015 Certified Quality Management System

8. What are your payment terms and shipping options?

Payment Terms:

• ✓ Tooling: 50% deposit, 50% before shipment
• ✓ Production: 30% deposit, 70% before shipment
• ✓ Accepted Methods: T/T, L/C, PayPal, Western Union

• ✓ Air Freight: 3-7 days (for urgent orders)
• ✓ Sea Freight: 20-45 days (cost-effective for bulk)
• ✓ Express Delivery: DHL, FedEx, UPS (1-5 days)
• ✓ Door-to-Door Service: Available upon request

John Smith

Purchasing Manager, Tesla Inc.

"Yingtai has been our trusted supplier for EV charging port seals since 2020. Their two-color LSR + PA66 components have zero defect rate in over 2 million units delivered. The color consistency and dimensional accuracy are exceptional. Their technical support during the design phase saved us 6 weeks of development time."

Sarah Johnson

Engineering Director, Medtronic

"We chose Yingtai for our medical device components because of their ISO 13485 certification and Class VI LSR expertise. Their two-shot molding of silicone + ABS parts met our strict biocompatibility and precision requirements. The FDA 510(k) submission was smooth thanks to their comprehensive documentation."

Michael Chen

Supply Chain Manager, Foxconn

"Yingtai's high-volume production capacity and competitive pricing make them our preferred supplier for consumer electronics components. Their TPE + PC two-shot molding for our smartphone cases has 30% lower cost than our previous supplier with equal quality. The 4-week lead time for 100K+ units is impressive."

David Wilson

Operations Manager, Siemens AG

"We've been working with Yingtai for industrial sealing solutions for the past 5 years. Their EPDM + NBR dual-material seals have outperformed our expectations in harsh environments. The 50,000-hour lifespan in our agricultural machinery test exceeded the 30,000-hour requirement. Their engineering team provided valuable input on material selection."

Emily Rodriguez

Product Manager, Philips Healthcare

"Yingtai's attention to detail and quality focus made them our top choice for medical equipment components. Their LSR overmolding on metal inserts provided the perfect combination of flexibility and durability for our patient monitoring devices. The 0.05mm tolerance they achieved was critical for our application."

Dr. Li Wei

Senior Materials Engineer

Dr. Li Wei holds a Ph.D. in Polymer Science from Tsinghua University and has 20+ years of experience in liquid silicone rubber injection molding and multi-material processing.

As the Technical Director at Guangdong Yingtai High Precision Technology Co., Ltd., he leads a team of 50+ engineers specializing in two-color injection molding, overmolding solutions, and advanced material applications for automotive, medical, and electronic industries.

Dr. Li has published 15+ research papers on silicone processing technologies and holds 3 patents in multi-material injection molding. His expertise ensures that Yingtai remains at the forefront of precision rubber manufacturing.

Limited-Time Offer: Get Your Free Sample Kit!

Order before June 30, 2026 and receive:

• ✅ Free two-color sample (up to 5 different designs)
• ✅ Comprehensive material data sheets
• ✅ DFM analysis report for your project
• ✅ Priority production slot for your first order

Address: No. 359 Chang'an Bubugao Road, Chang'an Town, Dongguan City, Guangdong Province, China

Fax: +86 0769-83666863

Website: https://www.ytplasticmold.com/contactus/