Company
ABOUT US

YUNG CHI RUBBER was established in 1988. With over three decades of expertise in the rubber sealing industry, we provide high-quality, customized sealing solutions for a wide range of sectors including automotive, sports equipment, machinery manufacturing, electronics, hardware, and semiconductors—supported by modern production facilities and a professional technical team.
At our core lies stringent quality control and continuous technological innovation. Our products comply with multiple international certifications, ensuring outstanding durability, sealing performance, and environmental adaptability, keeping us at the forefront of the industry.
YUNG CHI RUBBER upholds the principle of "Quality First, Customer Foremost." We have established solid partnerships with numerous renowned enterprises worldwide and integrate ESG principles into our core strategy. Committed to green innovation, we provide efficient sealing solutions that meet international environmental standards, significantly reduce the carbon footprint of products, and support customers in achieving their sustainability transitions. Together, we strive toward environmental sustainability and excellence in corporate governance.
YUNG CHI RUBBER delivers tailored, efficient, and sustainable sealing solutions, helping you build more competitive and environmentally responsible products.

Production Equipment

Molding

• Grinding machine
• CNC milling machines

Rubber Manufacture

• Dispersion Kneader
• Rubber mixing mill
• Cutting Machine
• Vaciim Vulcanizer
• Convection Cabinet Ovens
• High-Speed Deflashing Machine

Quality Control

• Curing Curves
• Automated Optical inspection
• Mirco-Vu 3D Vision Measure
• UPT machine for dimensional control
• hardness tester

Automated Optical inspection

UPT machine for dimensional control

Curing Curves

Mirco-Vu 3D Vision Measure

hardness tester

VALUES What values do Yung Chi provide to our customers?
  • Top-notch rubber molds design by providing the highest specifications and quality to our customers.
  • All O-rings are manufactured in accordance with international standards:
    (Europe)ISO3601 (USA)AS568A (Germany)DIN3771 (Japan)JIS B2401 A variety of material formulations are available
    for customers to choose,Other rubber parts are also available.
  • Suitable and well known raw material suppliers to guarantee the product basic quality.
  • Our company has been certified to ISO-9001 Quality,Products are certified by ROHS& REACH.compound per your specification or ASTM D2000 call out.
  • Wide range of O-Ring hardness from 30 to 90 duro, Yung Chi offer compound to meet Shore A.
  • External Lubricants & Coatings on O-Ring surface for your assembly (PTFE coating, Silicone fluid, MoS2, talcum powder, Silicone polymer based coating).
  • Well O-Ring surface especially in parting line.
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