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About Us
Hunan Tongmeng Technology Development Co., Ltd. is a professional source manufacturer integrating independent research & development, precision production and global sales. We specialize in hydraulic sensors, proximity switches, solenoid valve plugs, DIN43650 connectors, Deutsch connectors, and custom‑engineered wiring harness assemblies.
Focusing on spare‑part solutions for hydraulic systems, construction machinery, agricultural machinery and industrial automation equipment, we have accumulated rich practical experience in the industry. Our in‑house quality‑control system covers the whole production process from raw‑material inspection, injection molding, hardware stamping, circuit assembly to finished‑product testing.
Every product is strictly tested for waterproof performance, voltage stability, plug‑and‑pull durability and long‑term service life, to ensure stable and reliable operation under harsh working conditions.
Our products have been well‑recognized by partners and widely exported to Europe, North America, Southeast Asia and many other overseas markets. Besides standard products, we also provide flexible OEM & ODM customized services to meet your unique technical and dimensional requirements.
We always stick to high‑quality standards, stable product performance, competitive factory‑direct prices and efficient after‑sales support. We sincerely welcome distributors, hydraulic‑valve manufacturers, machinery assemblers and end‑users from all over the world to establish long‑term, stable and win‑win cooperation.
Our Factory
Equipped with complete production facilities, our workshop covers injection molding, hardware stamping, circuit soldering, assembly and comprehensive laboratory testing. From raw material incoming inspection to finished‑product aging test, every production step follows standardized quality management. We own independent R&D capability to develop new components according to customer drawings and samples. We keep flexible production capacity to handle both small‑batch custom orders and large‑volume bulk orders for global clients.
Our Advantages
✅ Source Factory Direct Supply No middlemen, competitive factory price, fast lead time for mass production.
✅ Strong R&D & Customization Support OEM / ODM service. We can develop connectors, sensors and wiring harnesses based on your drawings, samples or technical requirements.
✅ Strict Quality Control All items go through waterproof test, voltage test, plug‑pull cycle test and high‑low temperature aging test before shipment, adapting to harsh construction and agricultural machinery working conditions.
✅ Wide Product Portfolio One‑stop purchasing for hydraulic sensors, proximity switches, DIN43650 solenoid plugs, Deutsch connectors and custom wiring harness assemblies.
✅ Reliable After‑sales Support Professional technical team provides timely technical consultation and problem‑solving support for your application projects.
