Guangxi DIKAI Science & Technology Co., Ltd was established in June 1989, which specializes in the development and production of lightning protective products, and the research and service of lightning protective technology. It has been a top lightning protective company in China after more than 20 years of development. The company now has a top-ranking lightning protection test center, a lightning proving ground, an intellectualized building for scientific research. The products of the company have won more than 10 national patents and possess ISO 9001:2000 certificate and CE certificate. Since establishment, the company has offered lightning protective projects design, product installations, inspections and maintenances and technology service for various industries like communications, electric power, transportation, safety protection, civil aviation, finances, petrochemicals industry, education, broadcasting and military and so on. There are more than 160 types of product produced by the company. They are DK Parallel Power SPD, DK Two-port Serial Power SPD, DK Direct-current Power SPD, DK Computer Network Signal SPD, DK Instrument Control Lines SPD, DK Explosion-proof SPD, DK lightning rod and lightning counter.