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Trusted by industry leaders worldwide with comprehensive certification portfolio
UL Listed
TÜV Certified
ISO 9001
IATF 16949
CE Marked
CCC Certified
IP68 Waterproofing Experts | Leading Connectivity Solutions Provider | 26 Years of Manufacturing Excellence
Shenzhen LLT Connector Co., Ltd. (referred to as "LLT Technology Group"), a national high-tech enterprise in China's industrial connection technology sector, specializes in the R&D and manufacturing of high-performance waterproof connectors, self-locking connectors, and quick-connect connectors. With 26 years of experience, our proprietary IP68-rated, all-scenario protection technology system has enabled us to evolve into an international provider of comprehensive connectivity solutions, integrating R&D, intelligent manufacturing, and global services.
Our core product lines include waterproof plugs, circular connectors (aviation-style), bayonet-lock connectors, quick-connect/disconnect connectors, push-lock connectors, cable plugs, waterproof joints, and more. We hold multiple patents in areas such as push-pull self-locking connectors, sensor connectors, metal connectors, solar connectors, photovoltaic connectors, pre-terminated cable assemblies, and T-type three-way power cables. All products meet the IP68 international standard for dust and water resistance.
LLT's connectivity solutions are widely adopted in traditional infrastructure sectors like security, fire safety, public safety, power, telecommunications, and transportation. We are also deeply integrated into emerging industries such as new energy, electric vehicles, IoT, industrial and mining enterprises, and machinery. We provide critical connectivity components for intelligent management systems, industrial automation equipment, and LED optoelectronic lighting, serving as a key pillar for digital infrastructure.
Leveraging robust in-house R&D capabilities and advanced manufacturing processes, LLT has established a business network spanning over 100 countries and regions. We consistently deliver secure and reliable connectivity solutions to global clients, empowering various industries in their intelligent and digital transformation.
The Group has established a comprehensive quality management system that spans the entire product lifecycle, ensuring every product meets international standards.
Over 28 global market access certifications including UL, CE, TÜV, SAA, CB.
IATF 16949 (Automotive Quality Management System), EN 45545 (Railway Applications - Fire Protection on Railway Vehicles), ISO 9001 (Quality Management System), ISO 45001 (Occupational Health and Safety Management System), ISO 14001 (Environmental Management System), SA8000 (Social Accountability).
Compliant with international environmental standards such as RoHS 2.0 and REACH.
Holds 200+ national patents (including 8 invention patents) and has participated in drafting 3 industry standards.
Headquartered in Pinghu, Longgang District, Shenzhen, the Group boasts a 150,000 sqm intelligent production base (comprising a 15,000 sqm R&D and manufacturing center and a newly built 128,000 sqm smart manufacturing center in Tangxia Town, Dongguan). We operate four strategic business units: Wire & Cable Manufacturing Center, Global Waterproof Connector R&D Center, Precision Mold Engineering Center, and Polymer Material Innovation Center.
The company is equipped with a UL-certified laboratory, fully automated injection molding lines, and a CNC precision mold workshop, enabling a vertically integrated manufacturing system from material R&D (in-house production of modified polymer materials) and mold design (over 1,200 sets of molds developed annually) to precision injection molding and intelligent assembly. In 2022, we introduced Industry 4.0 flexible production lines, capable of customized production of 100,000 connectors daily.
New energy vehicle connector
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