Waterproof Connector Manufacturer and Supplier

Founded in 2004 in Taoyuan City, Taiwan, Holin-Tech is a premier, vertically integrated primary manufacturer specializing in high-performance, rugged interconnect solutions. As a UL Recognized Factory, our production strictly adheres to IPC-A-620 standards, ensuring zero-failure performance in the world's most punishing environments.

We go far beyond standard catalog items. Holin-Tech is dedicated to delivering tailored interconnect solutions engineered for diverse environmental challenges. Both our standalone connectors and complete custom molded cable assembly portfolios can be fully customized to meet your exact application requirements.

We design, mold, and manufacture an extensive array of industry-standard circular connectors and molded cables in strict compliance with global benchmarks (IEC 61076-2-101 / 109 / 010 / 104 / 114 / 105).

• M5 Connector and cable Series: Ultra-compact footprints optimized for miniature sensor integration and high-density medical equipment wiring grids.
• M8 Connector and cable Series: The global workhorse for space-restricted industrial automation networks and factory floor I/O blocks.
• M12 Connector and cable Series: The industry benchmark for rugged data, signal, and power distribution, available in all standard coding configurations (A, B, C, D, K, L, M, S, T, X and Y Code).
• M23 Connector and cable Series: High-power and high-signal distribution blocks engineered for heavy servo automation and machine interfaces.

We offer comprehensive solutions ranging from 2 pins to 37 pins and current ratings from 0.5A to 25A to protect critical hardware across diverse industries.

• IP66, IP67, IP68, IP69K: Engineered to deliver absolute dust-tight and watertight sealing, our premium waterproof connector portfolio operates flawlessly under high-pressure washdowns and submersion as a certified IP68 connector solution.
• Severe Environment Survival: Designed for ultimate resilience against marine salt spray, extreme outdoor weather, high humidity, high and Low temperatures, and thermal spikes.
• 100% Customized Overmolded Cable Assemblies: Clients can mix and match components with full freedom. We provide tailored modifications across core cables, custom connector shells, and specialized mechanical housings to craft the perfect custom molded cable assembly.

Leveraging our extensive in-house tooling and proprietary molds, we specialize in adapting traditional commercial interfaces into our heavy-duty, ruggedized waterproof architectures. We easily encapsulate standard connectivity into severe-environment ports, including waterproof USB, Type-C, HDMI, RJ45 Ethernet, BNC, and SIM Card configurations.