HILMO Security Equipment Co., LTD is one of the biggest manufactory of lightbar, siren , speaker, Led light , strobe light and rotator beacon in China which was found in 1998. it has13 branch office all over China . reliable quality and Excellent After-Sales service make HILMO brand gain very good reputation in China! We are ISO9001 and ISO14001 approval enterprise , We have very professional experience to operate ODM/OEM design and develop , Big powerful R&D ability make HILMO products always cost effective and highly competitive ! many of our products meet the request of E-mark , UL and CE approval.