Ningbo Shuangming Technology Co., LTD. (TUTU) is located in Daqi Street, Beilun District, Ningbo City, Zhejiang Province. The company mainly produces and sells air valve actuators, spring return actuators, fire and smoke exhaust actuators, smoke exhaust valve actuators, variable air volume actuators, differential pressure switches and other actuators in line with international ISO and CE standards, as well as sensors and other HVAC end products. Products are widely used in HVAC refrigeration, automotive, industrial equipment, civil electrical appliances and other industries, with a lean, fast, united staff. The company with advanced and reliable products, quality service to win the trust of customers, the company has gathered a group of scientific and technological professionals, committed to the revitalization and development of domestic HVAC terminal products, we will become an internationally influential building automation solutions provider.

Contact:Mr.zheng
Tel:+086 15658312911 
E-mail:tutu0574@foxmail.com

woshikewei@foxmail.com

WeChat:15658312911

whatsapp:17278926030

web:http://www.tutu-damper.com

youtube：@tutu-hvac

tiktok.com:@tutuhvac