Dear Sir/Madam,This is Tonya from TONGYI Heat Pump. I am writing to introduce our eco-friendly, cost-saving product HEAT PUMP.TONGYI has been specializing in Heat Pump products for over 22 years, the national stadium (the Bird's Nest) and the Beijing Daxing International Airport are using our products.Our high-quality products are designed by a professional R&D team. We provide different kinds of products and services including customized OEM/ODM services.We have faith in our products to expand your local market, and we are looking for local partners! If you are interested in this project, can you reply to me with your situation and concern?Sincerely,TonyaTonya International SalesTongyi Heat Pumpwww.china-heat-pumps.comtonya(a)china-heat-pumps.com+86 1893398187320/F, No.159 Middle Qiaozhong Road, Liwan District, Guangzhou, Guangdong, China