BRIEF INTRODUCTION Zhejiang zhanhao technology co, . Ltd. is a private high-new-tech enterprise engaged in R&D, production and marketing of industrial lighting, electrical appliances and lighting, has mature manufacturing techniques and abundant development and design experiences. The company boastss of strong technical force, has more than 30 senior and medium technicians in explosion-proof, optics, electronics, mechanics and other fields. The products produced by our company ranks leading position among the similar products in domestic market, and are widely applied to petroleum, petrifaction, chemical industry, coal, electrical power, railway, metallurgy, shipping, fire contrlo, city planning, flood prevention, emergency dealing, disaster relief and other fields, not only are popular thoughtout 31provinces and cities at home, but also are well received in more than 20 oversea countries and regions, win favorable comments from users.