We are a professional manufacturer with more than 10-year history, engaged in solar energy application. Our main products are integrative pressurized & non-pressure solar water heater, project solar collector, balcony solar water heater for villa and high buildings, split pressurized system and pre-heated system which adopt high technology on solar system, etc. Owing to the attractive design and our satisfying service, our products are not only popular in domestic market but also get high reputation and credit from foreign markets, such as Europe, North and South America , South Africa , middle east, etc. We have got ISO9001:2000, CCC, CE, Solar Keymark and ROHS certificates. Due to the perfect products sorts and multiple materials here, we are readying to found a trade company. LED writing board belongs to one of the items.