Shajing, Shenzhen, Guangdong, China,518000
Optimal industrial Co., Ltd hascovered an area of more than 50,000 square meters after severalyears mutual efforts all our work staffs .We have ownindependent manufacturing plant,R&Ddepartment, sales department and after-sales center .Our company isa ...
solar cell, solar panel , wind turbine, envelops , battery