Frequently asked questions

We are a manufacturer. Hunan Blue & Green Optoelectronic Technology Co., Ltd. was founded in 2010 and runs its own 26,000 m² site in the Xiangtan High-tech Zone, Hunan, China, with SMT, assembly, aging and photometric test lines. We also hold a construction qualification and install lighting projects in China.

It depends on the product. Standard models can usually be ordered in small quantities for trials, and samples are available. Customised products (logo, special housing, special electrical settings) need larger quantities. Tell us your quantity and we will confirm.

Yes. We recommend testing a sample before a project order. Sample cost and freight are normally paid by the buyer, and for many products the sample cost can be credited against your first order. Contact us with the model you want to test.

Our usual term is T/T, with a deposit before production and the balance before shipment. For larger orders we can discuss other terms such as an L/C at sight.

We quote EXW, FOB and CIF/CFR. Tell us your destination port and we can include sea freight in the quote.

Lead time depends on product and quantity. Standard products usually ship within a few weeks of deposit; customised products and large project orders take longer. We confirm the exact date with the order.

Warranty terms depend on the product line and are stated in our quotation. Ask us for the warranty terms of the specific product you are interested in.

Yes. Send us the road width, pole height and spacing, or the floor plan and required lux levels, and we will propose a layout and the products that meet your target.

Yes. See our OEM / ODM page for what can be customised.

Yes. You are welcome to visit, send an inspector, or ask for a live video tour. Our factory is in Xiangtan, about an hour from Changsha Huanghua International Airport.