TONGYI · Silicone Sealant Manufacturer in China
We manufacture weatherproofing, structural and glazing silicone sealants for distributors, window and door manufacturers, and project buyers.
With 20 years of manufacturing experience and in-house R&D, we help you select or customize a sealant for your application and market.
Meet the factory behind the product
Inside TONGYI · Factory photography
Find your application
Start with the building-envelope task. Explore the application, then discuss substrate compatibility and product requirements.
Explore silicone sealant routes for glazed facade joints and curtain wall weather sealing.
Explore this application
Review sealing routes for aluminum panel joints exposed to movement and weather.
Explore this application
Review perimeter, frame and glazing-joint sealing needs for window and door systems.
Explore this application
Start a technical discussion for structural glazing applications and project context.
Explore this applicationProduct families
Discuss TONGYI 5000 for weathersealing suitable glass and aluminum-panel curtain-wall joints. Start with the joint design, substrates and service conditions.
Tell us the joint location, materials, expected movement, color and destination market.
Discuss TONGYI 9000 for curtain-wall structural-bonding inquiries. Selection requires review of the system design, substrates and project-specific adhesion and compatibility evidence.
Share the glazing system, substrates, project requirements and applicable standard. Structural and general-purpose sealants are not interchangeable.
Discuss TONGYI 666 and 995 for non-structural window and door joints. Match the sealant to the frame, glass, wall materials and intended joint function.
Share the glass and frame materials, indoor or outdoor use, color and packaging preference.
Explore TONGYI M50 clear neutral silicone for non-structural interior finishing and bathroom-fixture joints. Confirm the substrate and joint location before selection.
Tell us the fixture and surface materials, joint location, color and cartridge quantity. These products are not for structural bonding.
Discuss TONGYI 328 acid-cure silicone for suitable non-structural glass joints. Review the glass type, coatings and adjacent materials before product selection.
Share the glass type, joint details, destination market and cartridge quantity. Ask us to review compatibility for your application.
Your manufacturing partner
Discuss application requirements, target performance, colors and packaging with our R&D team. Evaluate the agreed product and samples before ordering.
Discuss a custom requirement
Established formulations, production checks and retained samples support consistent supply. Ask for the technical information relevant to your selected product.
See our quality process
Confirm specifications, packaging and the production schedule with the factory. Coordinate order and delivery arrangements around your purchasing plan.
Discuss your supply planManufacturing and quality
Henan Tongyi New Materials Co., Ltd. supports international buyers with silicone sealant manufacturing, in-process checks, batch sample retention, and final inspection before warehousing.
Real factory photography · a view of the working environment, not a certification claim.
For distributors & private-label partners
From the first application discussion to product samples and packaging review, agree the details before moving forward.
Application, destination market and estimated quantity.
Discuss product suitability and the agreed sample checks.
Review artwork, packing, commercial terms and production planning.
Technical resources
Ask for the TDS, SDS or supporting document for your selected product and destination market. Availability is confirmed against the reviewed product file.
Before you inquire
Have a product or project question? Start a conversation with the information you have.
Contact TONGYISend the application, substrates, joint type and service conditions. Structural glazing needs project-specific technical review; a product name alone is not an engineering approval.
Use the OEM / Private Label inquiry route to share your brand, market and packaging expectations. Available options are confirmed for the selected product.
Quantity and timing depend on the product, packaging and project scope. Include your estimated quantity and preferred schedule so the team can review the request.
Choose Sample or Technical document in the inquiry form and name the product, intended use and market. Sample arrangements and available reviewed documents are confirmed individually.
Next step
Start with your application and market. We can discuss the product, samples, packaging and order details together.
