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A manufacturing company integrating design, development, production, and sales of rubber and plastic products with hardware series as supporting solutions.
We specialize in rubber joints, special valves for container liquid bags, textile machinery accessories, EPDM, nitrile rubber, fluororubber products, mold processing, bakelite products, and other rubber and plastic accessories.
Special valve for container liquid bags with convenient operation, safety, reliability, and fast discharge speed.
ValveHigh-flow capacity valve designed for larger container liquid bags, ensuring rapid and secure liquid transfer.
ValveIndustrial-grade large diameter valve for maximum throughput in bulk liquid transportation systems.
ValveHigh-performance seal resistant to extreme temperatures, chemicals, and aging. Ideal for demanding environments.
SealChemically inert, low friction seal with excellent resistance to heat and corrosion. Suitable for food and pharmaceutical industries.
SealMeets WRAS and ACS international standards for safety and performance in water and chemical handling applications.
CertifiedPrecision-engineered valve for controlled release of pressure in industrial systems, ensuring operational safety.
ValveEnvironmentally safe alternative to traditional asbestos seals, offering high durability and thermal resistance.
Eco-FriendlyCustom-designed rubber molds for precision manufacturing of complex rubber components across industries.
MoldHigh-precision injection molds for mass production of rubber and plastic parts with tight tolerances.
MoldInternal structural component for liquid containers to reduce sloshing and improve stability during transport.
ComponentFlexible connectors made from EPDM, nitrile, and chlorosulfonated polyethylene for vibration isolation and misalignment compensation.
JointWith over three decades of experience, we deliver reliable, high-quality rubber and plastic solutions trusted by industries worldwide.
Our sealing products meet WRAS and ACS standards, ensuring compliance with global safety and environmental regulations.
We control the entire process from design and mold making to production and quality assurance, ensuring consistency and reliability.
Pioneers in container liquid bag valves since 2005, with continuous innovation in sealing technology and rubber processing.
Located in Qingdao, China’s major port city, we efficiently serve customers across Asia, Europe, and the Americas.
Qingdao Source Seal Technology Co., Ltd. is located in Qingdao, an open coastal city in eastern China. We are a manufacturing company with rubber and plastic products as the leading part and hardware series products as the supporting part, integrating design, development, production, and sales.
Founded with a commitment to quality and innovation, we have grown into a trusted supplier of industrial sealing solutions, Flexitank valves, and custom rubber products. Our reputation-first approach and determination to innovate define our production philosophy.
Learn More About Our CompanyStay updated with our company milestones and product developments.
The products mainly use EPDM, butyronitrile, chlorosulfonated polyethylene, and other high-performance rubber materials for industrial applications.
Read MoreOur 2005-developed container liquid bag valve continues to set industry standards for safety, reliability, and fast discharge speed.
Read MoreWe now offer WRAS and ACS certified sealing rings, meeting international standards for water and chemical handling safety.
Read MoreWe're ready to support your industrial sealing and valve needs.
Xinzhuang Village North, Huangdao District, Qingdao City, Shandong Province, China
Peter@qdsourceseal.com
+86 - 18678901966
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