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Dongguan Do Hearts Technology Co., Ltd.

We Provide High-Quality Equipment for Silicone & PVC Manufacturing

Explore Our Products

About DoHearts

Dongguan Do Hearts Technology Co., Ltd. is a leading manufacturer of high-precision automation equipment for the silicone and PVC product industry. With years of engineering expertise, we deliver reliable, efficient, and innovative machinery that powers production lines across the globe.

Our product range includes dispensing machines, molding systems, embossing equipment, coating machines, and supporting automation solutions. Designed for durability and precision, our machines are used to manufacture a wide variety of consumer and industrial goods — from 3D silicone labels and keychains to seamless underwear coatings and heat-transferred logos.

We are committed to quality, innovation, and customer satisfaction, ensuring that every machine meets international standards and exceeds expectations in performance and longevity.

Silicone Coating Machine

Our Featured Products

Discover our advanced automation solutions for PVC and silicone manufacturing — engineered for precision, speed, and reliability.

Automatic 8 Colors PVC Dispensing Machine

Automatic 8 Colors PVC Dispensing Machine

Used for making PVC labels, keychains, rubber patches, fridge magnets, luggage tags, photo frames, bar mats, and more. Precise multi-color liquid injection system.

  • • 8 dispensing heads
  • • High-precision control
  • • Suitable for small to medium batch production
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Silicone Coating Machine

Automatic Silicone Coating Machine

Cabinet-type machine for one or two-component silicone coating on narrow fabrics, elastic tapes, and braided belts. Supports dot, line, wave, and pattern types.

  • • Supports 1 & 2 component silicone
  • • Multiple coating patterns
  • • Ideal for textiles and accessories
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Sandblasting Machine DH-SM03

Sandblasting Machine DH-SM03

Used for cleaning, abrading, or modifying mold and part surfaces using pressurized media such as sand, abrasives, or metal shot.

  • • High-pressure blasting
  • • Versatile media compatibility
  • • Improves mold surface finish
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Visual Dispensing Machine

Visual Glue Dispensing Machine

Uses high-definition pixel camera to capture product coordinates without fixtures. Ideal for electronics, hardware, clothing, and automotive applications.

  • • Vision-guided precision
  • • No need for product jigs
  • • Wide application range
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PVC Production Line

Automatic PVC Production Line

Complete heating and cooling system for manufacturing PVC and silicone products such as labels, soles, mats, keychains, and protective cases.

  • • Fully automated process
  • • Water-cooling system
  • • High throughput capability
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18 Colors PVC Rubber Patch Machine

18 Colors PVC Rubber Patch Machine

High-capacity machine with 18 dispensing heads for producing 3D rubber labels, keychains, watch straps, phone cases, and more.

  • • 18-color injection system
  • • Ideal for complex designs
  • • High-speed production
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Lace Silicone Coating Machine

Lace Coating Machine

Specialized for coating silicone on lace, socks, shoulder straps, and narrow fabrics. Can process 4 straps simultaneously.

  • • 4-lane simultaneous operation
  • • For seamless underwear & accessories
  • • High precision coating
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Underwear Silicone Coating Machine

Seamless Underwear Coating Machine

Automatic circular-type machine for silicone coating on seamless underwear, sweat towels, lace socks, and briefs.

  • • Circular dispensing design
  • • Seamless integration
  • • High-speed production
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Fabrics Silicone Embossing Machine

Fabrics Silicone Embossing Machine

Automatic machine with 2 or 6 stations for embossing logos and labels on fabrics, t-shirts, gloves, bags, and textiles.

  • • 2 or 6 station options
  • • High-frequency pressing
  • • Debossing & embossing capability
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View All Products

Why Choose DoHearts?

🔧

Precision Engineering

Advanced control systems and high-resolution vision technology ensure unmatched accuracy in every production cycle.

⚡

High Efficiency

Automated workflows and multi-station designs maximize output and reduce labor costs.

🛡️

Durable Build

Industrial-grade materials and robust construction ensure long-term reliability in demanding environments.

🌍

Global Support

Serving clients worldwide with responsive service, technical guidance, and spare parts availability.

500+
Machines Sold
30+
Countries Served
10+
Years Experience
98%
Customer Satisfaction

Frequently Asked Questions

What types of products can be made with your PVC dispensing machines?

Our machines are used to produce PVC labels, keychains, fridge magnets, phone cases, luggage tags, photo frames, bar mats, coasters, and many other rubberized accessories.

Do your machines support multi-color injection?

Yes, we offer models with 8, 12, and 18-color dispensing heads, allowing for complex and colorful designs without manual intervention.

Are your machines suitable for small businesses?

Absolutely. We offer scalable solutions from compact single-head machines to full production lines, suitable for startups and large manufacturers alike.

Do you provide installation and training?

Yes, we offer remote and on-site support, including setup guidance, operator training, and technical documentation to ensure smooth integration.

What after-sales services do you offer?

We provide spare parts, technical troubleshooting, software updates, and lifetime support to ensure your machines operate at peak performance.

Get in Touch

Ready to automate your production line? Visit our official website to learn more and connect with our team.

Visit Official Website
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