There are many manufacturers and suppliers of LED step lights in China. To find a suitable product for your needs, you can search online marketplaces or business directories such as LEDER LIGHT or LEDER illumination.

When searching for LED step lights, be sure to check the following factors:

1. Specifications: Look for a product that meets your specific requirements in terms of size, power consumption, brightness, and other specifications.

2. Quality: Choose a product from a reputable manufacturer or supplier that provides high-quality LED chips, durable materials, and reliable performance.

3. Certifications: Ensure that the LED step light meets the relevant safety and quality standards, such as CE, RoHS, or UL certification.

4. Price: Compare the prices of different products to find a competitive and reasonable price for your budget.

5. Customer support: Check the manufacturer or supplier's customer support services, such as warranty, return policy, and technical support.

Overall, be sure to research and compare different products and suppliers to find a high-quality and suitable LED step light for your needs.