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High-durability tooling platforms engineered to power high-efficiency aerodynamic blowers, structural chassis, and digital control modules.
Navigating the consumer transition toward automated home sanitization through industrial tooling agility and acoustic-structural mastery.
Modern smart vacuums operate above 100,000 RPM. Injection mold tooling must guarantee sub-micron wall thickness uniformity to eliminate structural resonance, manage high-velocity cyclonic turbulence, and comply with strict dBA noise ceilings.
OEM brand expansion relies on simultaneous engineering. High-capacity toolrooms capable of delivering complex multi-cavity injection molds within 35-45 days enable hardware brands to seize seasonal retail windows across North America, Europe, and Asia-Pacific.
Smart wet-dry scrubbers and ozone sanitizers encounter harsh surfactants, wastewater debris, and continuous mechanical impact. Advanced 2K multi-shot molds integrate chemical-resistant resins (ABS/PC, PP-GF) with elastomer sealing gaskets in a single automated stroke.
How our custom injection tooling tackles tight tolerances, multi-fluid separation, and electronic packaging in robotic cleaning platforms.
Cyclone dust collectors require razor-sharp parting lines and mirror-polished internal core pins (SPI A1 standard) to prevent micro-vortex degradation and dust cling. Our high-precision CNC tooling eliminates draft angle inconsistencies, ensuring optimal static pressure retention and 99.97% HEPA separation efficiency across multi-chamber vacuum platforms.
Wet-and-dry floor washers demand transparent, food-contact grade or chemical-resistant PC/MABS reservoirs. We construct specialized slide-core injection molds featuring uniform tongue-and-groove joint channels. These precision perimeter tracks ensure zero micro-cracking and hermetic ultrasonic sealing under continuous negative suction pressure.
Autonomous navigation depends on optical clarity and dimensional stability over temperature swings. Our molds for LiDAR housings use low-birefringence optical polymers and hot runner systems with balanced valve gating, eliminating gate marks, weld lines, and optical distortion across the 360-degree sensor window.
Equipped with anti-tangle cutting blades and high-speed motor gear drives, motorized floor heads require wear-resistant engineering plastics (POM, PA66+30%GF). We leverage Swiss Charmilles wire-EDM technology to cut gear cavity teeth with DIN 5 precision, mitigating backlash, friction losses, and gear chatter under wet operating conditions.
Precision Engineering Meets Global Manufacturing Excellence
Founded in the heart of China’s manufacturing growth triangle in Yuyao, Zhejiang Province, Ningbo Jinlong Electric Appliance Co., Ltd. is a premier high-tech enterprise specializing in two core industrial pillars: Professional Mold Manufacturing and Advanced Home Appliance R&D.
Spanning a massive 68,000-square-meter modernized facility with $16 million USD in fixed assets, we are strategically positioned near the Ningbo Port and International Airport, ensuring seamless global logistics and supply chain efficiency for brand owners worldwide.
Synergizing precision tooling craftsmanship with mass-scale smart appliance engineering to power global OEM/ODM market leaders.
Our tool-room is the foundation of our quality. With a dedicated 5,000-square-meter precision workshop, we combine Swiss, Japanese, and American technology to deliver export-quality tooling for the world’s most demanding industries.
As a global leader in vacuum cleaner and sanitization technology, we operate 18 automated assembly lines with a robust annual capacity of 4 million units. Our R&D team doesn't just follow trends—we set them. We hold global invention patents for unique technologies, such as our integrated vacuum and air purification systems that enhance the user experience through scent-diffusion and filtration.
Combining enterprise engineering strength, uncompromising quality gates, and global regulatory compliance.
Backed by a 30+ member R&D team and an annual investment exceeding $1.5 million USD, we secure new technological breakthroughs and patents every year.
Our 60+ member Quality Assurance team manages an internal testing facility capable of ROHS measurement. Fully compliant with ISO 9001, ISO 14001, ISO 45001, and IATF 16949.
Our products meet the strictest international standards, including GS, CE, UL, CCC, ROHS, and WEEE, ensuring smooth market entry for our global client network.
From initial mold design and DFM trial to mass injection molding and final automated assembly, we provide a "one-stop" service that reduces lead times and total cost of ownership.
Established in 1985, our tool workshop has over 30 years of industrial moldmaking experience, combining high-speed 42,000 RPM CNC machining centers, Charmilles wire-EDM, and advanced Moldflow rheological simulation.
Internal production of core products, streamlined high-efficiency operations with 100% self-owned facilities and tooling equipment.
ISO certified since 1998, TS/IATF certified since 2009. Comprehensive internal QA/QC and ROHS testing verification protocols.
Rigorous milestone-based project management, rapid tooling turnaround, and reliable mass manufacturing dispatch.
Established in 1985, our precision tool workshop brings over 30 years of high-difficulty mold design and export-tooling experience.
More than 10 high-speed CNC machines, 42k rpm high-speed spindles, Charmilles electric discharge machines (EDM), and wire cutting.
Over 30 dedicated design engineers utilizing Pro/ENGINEER, Siemens UG, AutoCAD, CATIA, and Autodesk Moldflow analysis.
Explore our diverse toolmaking capabilities covering consumer home appliances, automotive-grade structural modules, and ultra-precision assemblies.
Whether you are expanding an established brand into next-generation wet-and-dry robot vacuums, or looking to optimize tooling costs with certified IATF 16949 / ISO 9001 precision injection molds, Ningbo Jinlong Electric Appliance delivers the engineering acumen, machine capacity, and patent-backed innovation to secure your market leadership.