Optimal industrial Co., Ltd hascovered an area of more than 50,000 square meters after severalyears mutual efforts of all our work staffs .We have our ownindependent manufacturing plant,Rï¼Ddepartment, sales department and after-sales center .Our company isa high-technology enterprise which specially engaged insolar panel, windturbine generator ,padded envelops ,battery etc, located in Shenzhen, a beautiful beach city. Optimal products meet with great favor of customers at home andabroad. We enjoy good reputation from our customers around worldfor excellent quality, competitive price, prompt delivery and bestservice. There is a stream of developing, producing and marketingelite, who are full of experience of new energy products. They holdprofessional service and regard customersâ satisfaction as theiraim, and take high efficiency, excellence, and top quality as thehighest mission. Optimal company sincerely lookforward to cooperating with customers around world. Â