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Optimized multi-cavity injection molds engineered specifically for the demanding standards of US manufacturers.
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 our partners across the United States.
Providing vertically integrated solutions from tooling engineering to high-volume component assembly.
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.
The manufacturing landscape in the United States is undergoing a rapid evolution. With the resurgence of domestic production and an increased focus on supply chain resilience, US OEMs and plastic injection molders are seeking highly reliable, high-efficiency tooling solutions. Multi-cavity injection molds have become the cornerstone of high-volume production in the USA, offering unparalleled cycle time efficiency, reduced part costs, and consistent part quality across millions of cycles.
As a leading global multi-cavity mould supplier, Ningbo Jinlong serves key US industrial hubs, including the automotive manufacturing clusters in the Midwest, medical device hubs in California and Massachusetts, and consumer packaging industries in Texas and the Southeast. We understand the stringent quality and engineering standards demanded by American engineers, including SPI class 101 mold specifications, DME/Hasco standard components, and tight dimensional tolerances.
For US medical device manufacturers, cleanliness, precision, and consistency are non-negotiable. Our multi-cavity molds for medical applications are engineered for cleanroom compatibility, featuring specialized hot runner systems and stainless steel mold bases (such as 420SS) to prevent contamination and ensure long-term tool life.
Operating under IATF 16949 standards, we supply the North American automotive supply chain with multi-cavity molds for connectors, sensor housings, and interior trim parts. Our high-precision tooling ensures minimal flash, perfect parting line alignment, and dimensional stability required for automated assembly lines.
To stay competitive in the US market, manufacturers must adopt the latest technological advancements in mold design. Ningbo Jinlong integrates cutting-edge engineering practices, including:
We recognize that purchasing tooling from overseas requires trust, clear communication, and robust project management. Ningbo Jinlong bridges the geographical gap through a dedicated English-speaking project engineering team, weekly progress reports with detailed photos and video updates, and comprehensive mold trial protocols (T0, T1, T2). We provide full Moldflow analysis, DFM (Design for Manufacturability) reviews, and coordinate shipping, customs clearance, and delivery directly to your facility in the United States.
A combination of engineering expertise, strict quality control, and global delivery capabilities.
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 environmental measurement. We are 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 clients.
From initial mold design and trial to mass injection molding and final assembly, we provide a "one-stop" manufacturing service that reduces lead times and costs.
Deep experience and advanced technology driving our manufacturing quality.
Internal production of core products, high efficiency, with 100% facilities and equipment.
ISO: 1998, TS: 2009. Ensuring Quality Control and rigorous traceability.
Efficient project management and follow-up, strong mold making ability.
Established in 1985, the tool workshop has 30 years of experience in mold making.
More than 10 high-speed CNC machines, 42k rpm CNC; Charmilles electric discharge machine and wire cutting.
More than 30 engineers, using Pro/UG, CAD, CATIA, and mold flow.
High-performance injection-molded components and assemblies for US commercial and consumer markets.
