In the competitive landscape of the global automotive industry, Automotive Roof Insulation Strips have transitioned from simple weather-stripping components to critical engineering elements. As vehicles move toward electric propulsion and autonomous driving, the demand for superior NVH (Noise, Vibration, and Harshness) control has skyrocketed. Roof insulation strips manufactured in China now lead this shift, offering a sophisticated blend of material science and cost-efficiency that serves top-tier OEMs worldwide.
Zhejiang Haala Automotive Parts Co., Ltd. stands at the forefront of this manufacturing revolution. By integrating advanced EPDM (Ethylene Propylene Diene Monomer) extrusion technology with precise mold engineering, we provide insulation strips that do more than just block water—they define the cabin atmosphere. Our strips are designed to withstand extreme UV exposure, temperature fluctuations from -40°C to 120°C, and the mechanical stresses of high-speed aerodynamics.
Located in the heart of China's automotive manufacturing hubs, we benefit from a comprehensive ecosystem. From raw EPDM material sourcing to advanced steel core reinforcement, every step is optimized for speed and quality.
Chinese manufacturers are no longer just "producers"; we are innovators. Our lab conducts aging tests, ozone resistance analysis, and acoustic dampening simulations to ensure Information Gain in every product iteration.
Our medium-sized private enterprise model allows for extreme flexibility. We provide "tier-1" quality at a competitive price point, enabling global exporters to maintain healthy margins while delivering superior value.
With in-house mold development, we reduce the lead time for custom automotive roof insulation strips from months to weeks, facilitating faster vehicle model launches for our global partners.
Our products meet REACH, RoHS, and TS16949 standards, ensuring seamless integration into supply chains across Japan, Germany, the USA, and France.
Specialized low-weight, high-insulation strips specifically designed for EVs where cabin silence is paramount and every gram of weight matters for battery range.
EPDM is the backbone of automotive roof insulation. Its saturated chemical backbone provides unparalleled resistance to ozone and weathering. Our EPDM sponge (foam) sealing strips utilize a closed-cell structure that ensures zero water absorption while providing the compressibility required for a perfect airtight seal on sunroofs and roof rails.
We specialize in Dense Sponge Steel Core Three-Composite Strips. By combining a rigid steel skeleton for grip, a dense rubber base for structural integrity, and a soft sponge bulb for sealing, we create a multi-functional component that simplifies assembly for the vehicle manufacturer.
This "one-stop" production model—encompassing raw material preparation, mold development, and final molding—is what distinguishes Zhejiang Haala in the international market.
High-end aesthetic finish for roof gully strips and sunroof perimeter seals. Focus on UV stability to prevent fading in sunny climates like Australia and Brazil.
Heavy-duty E-type and D-type strips for cabin roof insulation. Designed for 1,000,000+ mile durability in harsh logistics environments across Russia and Nigeria.
Specialized wide-profile aluminum alloy door frames and large-scale roof seals for campers, ensuring thermal comfort during extreme seasonal camping.
Zhejiang Haala Automotive Parts Co., Ltd. is a medium-sized private enterprise mainly engaged in the production of various types of vehicle sealing strips, integrating scientific research, development, production, and sales. The company specializes in producing various automotive sealing strips, door and window sealing strips, air conditioning sealing strips, furniture sealing strips, electrical sealing strips, foam sealing strips, mechanical sealing strips, automotive windshield sealing strips, door sealing strips, decorative strips, skeleton strips, extruded sealing strips, E-type, P-type, D-type sealing strips, rubber sealing strips, EPDM rubber sealing strips, EPDM sponge (foam) sealing strips, three composite sealing strips, dense sponge steel core three composite sealing strips, four composite sealing strips, soft hard composite sealing strips, soft plastic hard plastic composite sealing strips, building sealing strips, modified PVC sealing strips, plastic sealing strips, building rubber sealing strips, aluminum alloy Door and window sealing strips, plastic steel door and window sealing strips, glass curtain wall sealing strips, container door frame sealing strips, cabinet door sponge rubber sealing strips, refrigerated door sealing strips, self-adhesive sealing strips, door glass sliding groove strips, door sponge sealing strips, interior decoration strips, door glass water blocking strips, glass windshield sealing strips, fireproof sealing strips, flame-retardant pipes, rubber hoses, silicone pipes, wrapped rubber hoses, water pipes, air pipes, oil pipes, automotive rubber seals, EPDM sealing strips Comes with self adhesive foam flexible sealing strip, sponge rubber strip, sealant strip, foam rubber strip, glass pressure strip, glass rubber strip, glass waterproof strip, glass door sealing strip rubber molded parts, mechanical seals, foam seals, seals, gaskets, special rubber pads, EPDM rubber molded products rubber strips, silicone strips, transparent strips, dust-proof strips, rubber (PVC) strips, white rubber strips, various specifications and colors. Various rubber, silicone, rubber plastic, and EPDM products.
The company has strong technical strength and management experience. We have equipment such as EPDM production line, rubber molding production line, flat vulcanization machine, extruder, etc., with complete testing methods, forming a one-stop production model of raw material preparation, mold development, and product molding.

Production Strength: Professional production of various automotive sealing strips and foam strips.

Testing Technology: Complete testing methods and mold development expertise.

Marketing Network: Exported to Japan, Germany, USA, France, Iran, India, Russia, and more.
With the elimination of engine noise, wind noise through the roof become more noticeable. Our new generation of Automotive Roof Insulation Strips utilizes high-density micro-cellular foam technology to absorb high-frequency wind noise, improving cabin quietness by up to 15% compared to traditional solid rubber strips.
Global enterprises are demanding recyclable materials. We are expanding our TPE and TPV extrusion lines to offer roof insulation solutions that are 100% recyclable, helping OEMs meet their ESG (Environmental, Social, and Governance) targets.
The integration of sensors into roof strips to detect rain or provide ambient lighting is the next frontier. Our R&D team is currently prototyping "Smart Weatherstrips" for next-generation autonomous shuttles.