Yes, we offer 2-5 years warranty to our products.

We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

At Yangzhou Changqian, quality is non-negotiable. Each product we manufacture undergoes rigorous testing and meets international standards. From raw materials to final assembly, we maintain stringent quality control processes to ensure our customers receive only the best.

Firstly, let us know your requirements or application. Secondly, We quote according to your requirements or our suggestions. Thirdly, customer confirms the samples and places deposit for formal order. Fourthly, We arrange the production.

NO MOQ required, sample testing welcome.. Mixed samples are acceptable. Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than.

Yes, we are 18 years factory, we have design team, engineer team, after-service team QC team etc.

At Yangzhou Changqian, we envision a world powered by smart energy, efficient lighting, and robust communication networks. Our mission is to lead the global market with sustainable, high-performance products that not only meet but exceed customer expectations.

As a responsible corporate entity, we are deeply committed to environmental stewardship. Our solar-powered street lighting and energy-efficient batteries are designed to reduce carbon footprints and promote renewable energy adoption.

Let us work together to build a brighter, more connected, and sustainable future. You can contact us via phone/WhatsApp/WeChat: +86 18921945330; email: wua0334@gmail.com