1、Pre-sale technical service
We offer our customers a full range of services. Diversification and customization of the product range, technical support of the project tender, product performance consulting services ,etc.
01 、Air volume control damper, mainly used in ventilation and air conditioning systems, set up to regulate the air flow , the user can select according to project requirements. When order we should pay attention that : according to the project required settings for the air volume, factory will preset a reference volume . To VAV dampers , PITOT intelligent electric sector are increased, which used to shift the