Want your purchasing in China in DC contactors, relays, LED flashlights or LED lights fully assured, prompt and more profitable?



Shenzhen Do-best Technology Co., Ltd can really satisfy your need, and sincere, professional and responsible Do-best Tech. clerks all the time 100% stand for the buyers to analyze and operate the whole production process to make sure every project and order success.


We are a professional company specializing in Led products & Electrical products with two production divisions. One is DBL in Led products & Led flashlights. And another is DBE in contactors & relays.



Research and development
We have 26 professional R&D technicians among 300 employees. Equipped with advanced equipment, and using well-innovative technology, we make the new designs and the mass-production ready in the shortest time. Each year we release more 8 new models to meet the need of the markets.



Quality control
Our QC covers the entire process, from sample development to package. Our stringent QC ensures you will receive only qualified products.



One-stop sourcing solutions

We offer one-stop sourcing solutions for a variety of electrical products and LED products. By working with us, you will receive them promptly at the same time. We can promptly arrange LCL shipment and simultaneous delivery to reduce your costs for shipping and custom clearance