5000㎡+
Integrated silicone factory
Over 5,000 m² of production space for material mixing, molding, and secondary processing.
6000+
Existing tooling library
More than 6,000 sets of molds accumulated, helping shorten development time and reduce tooling cost.
15+ years
Silicone industry experience
Our core team has over 15 years of experience in silicone product development and manufacturing.
500K+
Stable monthly capacity
Flexible capacity of over 500,000 pieces per month, supporting both small runs and mass production.
Company Profile
Your trusted partner for custom silicone parts — from mold making to mass production
Founded in 2012, HQ Silicone is the international trade division of Changsheng Silicone, a 5000㎡ in-house silicone manufacturing factory located in Dongguan, China. Backed by full production capabilities—including mold design, material mixing, and advanced compression molding workshops—we specialize in custom silicone parts, non-standard silicone components, and complex OEM/ODM projects.
With over 15 years of engineering experience and complete manufacturing resources, we provide fast prototyping, stable quality, and efficient mass production for global brands across multiple industries.
factory tour
Manufacturing Strength
From workshop layout to people and process, our strength is built into every detail.
5,000 m² production workshop
Over 5,000 m² of production space with a clear material flow layout, ensuring efficient, organized, and scalable manufacturing.
30+ molding and processing machines
More than 30 sets of molding and auxiliary equipment support parallel production, shorten lead time, and increase capacity flexibility.
In-house R&D and design team
Our engineering team supports drawing review, DFM suggestions, and material selection to turn concepts into manufacturable products.
Dedicated QC department
A dedicated QC team conducts incoming, in-process, and final inspections to ensure consistent quality for every batch.
The Goal
Our Values
Reliability – Stable quality, honest communication, and on-time delivery.
Flexibility – From drawings, samples or even ideas, we support iterative development.
Transparency – Open about costs, materials and risks, so you can make better decisions.
Long-term mindset – We build partnerships, not one-off transactions.
The Outlook
Our Vision
Make customization easier – Make silicone & rubber parts development easier through clear communication and engineering support.
Bridge ideas and manufacturing – Connect concept, tooling, sampling and mass production in one integrated process.
Deliver predictable results – Provide stable quality and realistic lead times you can plan your projects around.
Grow with our customers – Become a long-term silicone partner for global brands, traders and OEM factories.
What We Do
From non-standard silicone seals to complex rubber components, we specialize in custom parts that don’t fit into any catalog.
Custom silicone & rubber seals and gaskets
Non-standard silicone rubber components based on drawings or samples
Small batch trial orders and scalable mass production
Global Reach
Global Customers & Markets
We work with clients across Europe, North America, and Asia—ranging from small startups to established brands and OEM factories. Whether you need a reliable supplier for a single key component or a long-term partner for a complete product line, HQ Silicone is ready to support you.
Ready to develop your next silicone or rubber part?
Send us your drawings, samples, or even just an idea—we’ll help you evaluate feasibility, materials, and cost step by step.