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High-performance sealing solutions from Qingdao Peak Mould Co., Ltd. — trusted in industrial, automotive, aerospace, and chemical applications worldwide.
Established in May 2007 and located in Qingdao City, Shandong Province, China, Qingdao Peak Mould Co., Ltd. is a leading manufacturer of precision mold development and high-performance seal rings.
We operate with a core philosophy of "Efficient, Innovation, Service," ensuring quality-first production with flexible and rapid scheduling to meet global demands.
GB/T 19001-2016 / ISO 9001:2015
Sealing rings are critical components used to prevent air or liquid leakage between connected parts. Made from advanced materials like rubber, synthetic resins, and high-performance polymers, they ensure tight contact under pressure.
Their functions go beyond sealing — they also reduce pressure fluctuations, provide shock absorption, and prevent loosening in dynamic environments.
Ensures airtight and watertight seals in pipelines, engines, and hydraulic systems.
Absorbs pressure spikes and maintains system stability in high-stress environments.
Reduces mechanical shock and prevents component loosening during operation.
High-temperature resistant, chemically inert polymer ideal for aerospace and medical applications.
Low friction, excellent chemical resistance. Ideal for dynamic sealing applications.
Enhanced thermal conductivity and wear resistance for high-load environments.
Improved mechanical strength and dimensional stability under load.
High thermal conductivity and anti-static properties for sensitive environments.
Tough, abrasion-resistant thermoplastic with good fatigue resistance.
High-strength polyamide-imide with exceptional thermal and chemical resistance.
Ultra-high-performance polymer with low outgassing and excellent wear life.
Used in extreme pressure and temperature conditions where elastomers fail.
Compliant with GB/T 19001-2016 / ISO 9001:2015 standards for consistent quality assurance.
Precision machining and molding techniques ensure tight tolerances and repeatability.
Flexible production scheduling enables fast delivery without compromising quality.
Tailored solutions based on your material, size, and environmental requirements.
We offer PEEK, PTFE (pure and filled with graphite, glass fiber, or copper), PA (Nylon), Torlon, VESPEL, and metal-based seal rings.
Yes, we specialize in custom manufacturing. Provide your specifications and we’ll deliver precision-engineered seals to your exact requirements.
Our seals are used in aerospace, automotive, oil & gas, chemical processing, medical devices, semiconductors, and more.
Yes, we are certified under GB/T 19001-2016 and ISO 9001:2015, ensuring consistent quality and process control.
Typically 2–4 weeks depending on complexity and quantity. We prioritize fast turnaround without sacrificing quality.
Ready to discuss your sealing needs? Contact Qingdao Peak Mould Co., Ltd. for expert support and custom solutions.
Address: 17 Chengkang Road, Chengyang District, Qingdao City, Shandong Province, China
Phone: +0086-18763009377
Fax: +0086-0532-67730522
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