Factory direct · 60+ countries served
Rubber products & fittings built for piping that moves.
Rubber joints, expansion joints, waterproof sleeves, force transfer joints, bellows, flexible metal hose, duckbill valves, gaskets and custom rubber parts — built to DIN, ANSI and JIS standards.
DN15 – DN1200
PN10 / 16 / 25
−15 °C … +115 °C
Axial ±35 mm
DIN · ANSI · JIS · BS
Lead time
7–15 days · 12,000 pcs / month
Product categories
Nine product lines from one factory
From pipeline movement and watertight penetrations to backflow control — pick a category to browse, or send your drawing directly.
Rubber Joint
Single & double sphere, threaded, reducer, PTFE-lined and tie-rod rubber expansion joints — DN15–DN1200, EPDM / NBR / NR compounds.
6 products
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Expansion Joint
Slip-type and flanged pipeline expansion joints with packing glands — take up thermal growth on long straight runs, steam and hot-water mains.
Catalogue in progress
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Waterproof Sleeve
Rigid and flexible waterproof sleeves cast into concrete walls and floors — sealing pipe penetrations in basements, tanks and pools.
Catalogue in progress
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Force Transfer Joint
Tie-rod force transfer joints that carry pipeline thrust in the joint body instead of the pump or equipment flange — DN80–DN2000.
Catalogue in progress
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Bellows Expansion Joint
Fabric, rubber and stainless bellows compensators for ducts, fans and large-diameter lines with high axial and lateral movement.
Catalogue in progress
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Flexible Metal Hose
Braided SS304 / SS316 corrugated hose assemblies with flanged, threaded or welded ends — for vibration, misalignment and high temperature.
Catalogue in progress
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Duckbill Valve
Rubber duckbill check valves for outfalls, stormwater and sewage discharge — zero backflow, no moving parts, DN50–DN1200.
Catalogue in progress
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Rubber Gasket
Full-face and ring flange gaskets in EPDM, NBR and Neoprene for flanged pipe connections — DIN, ANSI and JIS drilling.
Catalogue in progress
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Other Rubber Products
Custom moulded rubber parts, rubber-to-metal bonded parts, anti-vibration mounts and rubber lining — made to drawing.
Catalogue in progress
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1998Factory established
60+Export countries
12,000 pcsMonthly capacity
12 hQuotation response
Why buyers stay
What an importer actually needs from a Chinese supplier
Not the cheapest price on Alibaba — a supplier who answers drawings quickly, keeps the flange drilling right, and does not disappear after the deposit.
Own factory, not a trader
2,600 m² workshop with rubber injection, fabric wrapping and in-house flange machining. Video audit welcome before the first order.
Drawing-based quotation
Send a PDF drawing or a photo of the old part. Our engineer returns dimensioned drawings and a costed offer within 12 working hours.
Tested before it ships
100% hydrostatic test at 1.5× working pressure, plus batch reports for hardness, tensile strength and burst pressure.
Export packing done right
Plywood cases, desiccant, flange face protection and mixed-container consolidation with our valve lines to cut your freight cost.
Applications
Where these joints are installed
Water & wastewater
Pump suction and discharge, filtration plants, desalination lines. EPDM body, PN10/16.
HVAC & district cooling
Chiller headers and riser connections where vibration and thermal growth must be absorbed.
Chemical & process
PTFE-lined joints for acid, alkali and solvent service up to +100 °C.
Marine & offshore
Sea-water resistant compounds, SS316 flanges, tie-rod restrained versions for deck piping.
Buyer questions
Answers importers ask before the first PO
What is your MOQ and can I mix sizes in one container?
MOQ is 20 pcs per size for standard EPDM joints, no MOQ for samples. Mixed sizes and mixed series are welcome — we consolidate with our valve lines so you can fill a 20GP without over-ordering a single size.
Can you produce to my flange drilling and face-to-face length?
DIN PN10/16, ANSI 150#, JIS 10K and BS 4504 are standard tooling. Non-standard drilling and special face-to-face dimensions are made to drawing — feasibility is confirmed within one working day.
Which rubber compound should I choose for my media?
EPDM for hot water and weather (−15 to +115 °C), NBR for oil and fuel (−20 to +80 °C), Neoprene for sea water and ozone, PTFE lining for acids and solvents. Send the media and concentration and our engineer will specify.
Do you supply test certificates and third-party inspection?
Every shipment includes a hydrostatic test report and material batch certificate. SGS, BV, TÜV and Intertek inspection can be arranged at your cost, and we host live video inspection before packing.
What are the payment and shipping terms?
30% T/T deposit with balance against B/L copy; L/C at sight accepted for orders above USD 30,000. FOB Tianjin, CIF and DDP available. Lead time 7–15 days standard, 20–25 days for special drilling.
Send your size list, get a costed offer in 12 hours
Attach a drawing, a photo of the failed part, or just tell us DN, pressure and media. You will get a technical recommendation plus FOB pricing — no obligation.