GRAD good quality ventilation blower fan

It has the characteristic of  energy efficient, smooth running, low noise, high temperature, simple structure , with the same air volume centrifugal can occupy  two-thirds less space, the weight will be lighter more than half weight. In order to  ensure the power, easy to install, can be vertical, horizontal and hanging installation. 

The design of the fan motor has a special cooling system, air-cooled motor inner place   models. 
Using the  advanced aerodynamic blades design, low noise. 
By the state fixed fire extinguishing systems and fire-resistant components Quality Supervision and Testing  Centers inspection and Public Security Bureau in Shandong Province has been issued the  fire "in Shandong Province to register a certificate of fire protection products."

 If you are intrested in the fire exhaust fan, please provide the following parameters: air flow, pressure and power, we will provide you most competitive price. Looking  forward to our cooperation! 

 Product display

Usually we use plywood package or directly naked into containers with fixation. 

We provide good quality service for our clients. If you need sample for testing or showing to your clients,we can deliver the sample by international express.You should pay the sample and express cost.

We can also design the product according to your specific requirement.

We can provide you installation guide.If parts are damaged in the quality insurance period because of our quality,we can change the damaged parts free of charge.

Shandong GRAD Group Co., Ltd. is located in Dezhou city, Shandong Province,covering an area of 450,00 square meters. It is a large modern enterprise group with central air-conditioning, ventilation, FRP products research development, design, production, sales, installation and maintenance.It is the backbone enterprise of "Dezhou • Central air-conditioned city" named by China Refrigeration and Air Conditioning Industry Association(CRAA).

GRAD Group products include: central air conditioning series products(chillers, air conditioners, fan coils, cooling towers, ventilators and accessory products), FRP series products (FRP winding pipes and storage tanks), SMC moulding products (water tanks, table tennis boards, basketball boards, manhole covers, etc) . All products have been inspected by the national quality inspection department. 

1. Product warranty: Usually, our product warranty is 18 months after leaving factory or 12 months after installation.

2. Delivery time: It will depend on the product quantity. Our products are sold according to order. 

3. Installation: If the project needs our installation guidance, we can send our engineer and translator. The expenses shall be borne by the project owner.