Is a national high-tech enterprise and professional manufacturer of 3V Primary Lithium Batteries.CR123A，CR2，CR1/3N，CR14250，CR14505，CR17450，CR17500，CRP2 and 2CR5 are main products.

HK LIANYIXIN INDUSTRIAL CO., LIMITED is a professional component supplier, mainly acting as an agent for large European and American ASIC manufacturers.

EASTECH ELECTRONICS LIMITED - specializes in one-stop services for IC, PCB/PCBA, SMT/DIP, and OEM/ODM.