Top 10 Rubber Sealing Extrusion Strip Manufacturers in China (2026 Edition)

China has a full chain of rubber raw materials, compounding, extrusion equipment, mold making and post-processing. Lower labor and production costs allow Chinese manufacturers to offer rubber extrusion strips at far better cost-performance than European and American suppliers, with stable quality.

Support all common materials: EPDM, silicone, NBR, CR, PVC foam, TPE/TPV.

Can customize any irregular shapes, cross-section profiles, hardness, color, and density. Accept drawing design and sample duplication for non-standard extrusion sealing strips.

Professional rubber extrusion production lines realize unlimited continuous length, no joint gap, good integrity. Suitable for door and window sealing, automotive body sealing, machinery gap sealing, cabinet sealing.

In-house extrusion mold workshop; new profile mold development is fast, sample confirmation cycle is short. Mass production delivery is stable, and small trial orders are acceptable with low MOQ.

Strict formula control ensures excellent weather resistance, aging resistance, UV resistance, waterproof and dustproof performance. Most factories have ISO 9001, RoHS, REACH certification, and can provide material test reports and COA.

Deep experience in automotive, construction doors and windows, electrical cabinet, mechanical equipment, container, refrigeration sealing strips. Engineers can optimize profile structure to improve windproof, waterproof and sound insulation effect.

Provide design → formula matching → extrusion molding → cutting to fixed length → packaging. Familiar with international trade terms, export packaging and document clearance, long-term serving global buyers.