These are leading domestic brands specializing in outdoor lighting panel clamps, used for solar panel mounting, LED light panel fixtures, street light & garden light bracket clamps, with good quality and wide market acceptance.

1. EMILUX Lighting
- Core strength: Specialized manufacturer of outdoor lighting panel clamps and matching mounting hardware for LED outdoor luminaires.
- Features: Offers anodized aluminum and stainless‑steel clamping solutions, optimized for outdoor harsh weather conditions. Supports both standard off‑the‑shelf parts and OEM custom designs. Serves global lighting projects and overseas distributors with stable product consistency.
2. Ningbo Yinzhou Jinli Hardware
- Core strength: Professional hardware stamping for outdoor lighting & solar panel clamps.
- Features: Weather‑resistant aluminum / stainless steel, anti‑rust, suitable for outdoor LED panel light, solar panel mounting. Widely used in OEM for lighting factories.
3. Zhejiang Hongfeng Hardware
- Core strength: Mass‑produced outdoor fixture clamps, panel mounting clips.
- Features: Zinc‑plated steel and aluminum alloy options, high‑cost‑performance, for street light panels, landscape lighting panel brackets. Large export volume.
- Core strength: Custom‑made outdoor lighting panel clamps, precision stamping.
- Features: Supports custom size, stainless steel 304⁄316 for harsh coastal outdoor environments. Serves many overseas lighting brands.
5. Guangdong Haohua Hardware
- Core strength: Outdoor LED panel light mounting clamps, bracket fasteners.
- Features: Focus on garden light, wall‑mount outdoor panel light clamps. Stable quality, mature supply chain in Guangdong lighting industrial cluster.
6. Jiangsu Ruida Hardware
- Core strength: Solar‑outdoor‑lighting combined panel clamps.
- Features: Aluminum die‑casting clamps, good corrosion resistance, used for solar‑powered outdoor light panels. Popular in domestic and Southeast Asian markets.
7. Foshan Shunde Deli Hardware
- Core strength: Lighting fixture hardware accessories.
- Features: Standard‑size panel clamps for outdoor floodlight panels, low‑MOQ, suitable for small‑to‑medium lighting manufacturers.
Buying Tips
- For coastal / high‑humidity areas: choose 304⁄316 stainless steel or anodized aluminum to avoid rust.
- If you need OEM / custom dimensions, most of above factories support drawing‑based customization.
- Most of these suppliers are on Alibaba, Made‑in‑China for global sourcing.
If you want, I can also make a short comparison table or a supplier selection checklist for your purchasing reference.