SHENZHEN SEMBO ELECTRONICS CO., LTD. was founded in 1999. The company was certified by ISO 9001. SEMBO has been dedicated to lightning protection for over 16 years. Its products eliminate casualty of lives and loss of assets. We provide countermeasure against lightning surge including over-voltage-protective components and SPDs. It also provides consulting services to our customers who specialize in computing, networking, surveillance, industrial control, transportation, infrastructure, electric power, telecommunication and municipal facility industry. SEMBO is a leader of lightning protection in China.