These are leading domestic manufacturers specializing in mounting brackets, poles, support frames, and installation systems for agricultural outdoor lighting (farm‑yard lights, greenhouse supplementary lighting, orchard perimeter lighting, livestock farm lighting).

1. EMILUX Lighting
- Core strength: Professional agricultural outdoor lighting mounting solutions, including adjustable brackets, pole‑mount kits, heavy‑duty support arms for farm floodlights and outdoor grow‑light fixtures.
- Features: High‑grade anti‑corrosion materials adapted to harsh agricultural outdoor environments. Supports custom dimension, angle adjustment and OEM/ODM services. Widely applied in orchards, livestock farms, greenhouses and large‑scale agricultural bases.
2. Zhejiang Yonghao Lighting Co., Ltd.
- Core strength: Agricultural‑grade metal mounting brackets, pole‑mount kits, adjustable angle support for farm floodlights and grow‑light outdoor fixtures.
- Features: Hot‑dip galvanized anti‑rust for outdoor farm environments, customizable arm length and mounting holes. Widely used in orchards, livestock farms and agricultural parks.
- Core strength: Heavy‑duty mounting systems for agricultural outdoor lighting, wall/pole mounting brackets, cross‑arm assemblies.
- Features: High corrosion resistance for humid farm conditions; supports OEM & ODM for large‑scale agricultural project orders.
4. Jiangsu Jinli Lighting Hardware Co., Ltd.
- Core strength: Adjustable mounting brackets, universal pole clamps for agricultural outdoor floodlights and security farm lighting.
- Features: Low‑cost reliable hardware, suitable for bulk farm installation projects, compatible with most mainstream agricultural light fixtures.
- Core strength: Outdoor agricultural light mounting frames, multi‑lamp cross‑mount systems for greenhouse perimeter and field lighting.
- Features: Aluminum alloy and galvanized steel options, good weather resistance for southern high‑humidity agricultural areas.
6. Zhejiang Lida Hardware Lighting Co., Ltd.
- Core strength: Versatile mounting kits for agricultural outdoor lighting, clamp‑on pole brackets, tilt‑adjustable support arms.
- Features: Export‑oriented, meets international installation standards, supports custom size for large farm‑scale deployments.
- Core strength: Heavy‑load pole‑mount systems for large‑power agricultural outdoor lighting.
- Features: Hot‑galvanized steel construction, ideal for open‑field farms, pasture and large‑scale agricultural bases.
Selection tips for agricultural use
- Prioritize hot‑dip galvanized steel or aluminum alloy for anti‑rust in farm humidity, dust and rain.
- Choose adjustable‑angle brackets to optimize light coverage for crops or livestock areas.
- Confirm load‑bearing rating to match the weight of your outdoor agricultural lighting fixtures.
If you need, I can also make a concise English version for supplier sourcing documents.