DHF ventilation company is large factory with own international trading department , we have professional merchandiser with good English to follow your order .
Every year we will attend exhibitions to introduce our products to you face to face .
If your have any problems please feel free to contact us immediately !
Q: Are you a trading company or a factory ?
A: We have own factory , but for easy shipping , we use trading company to register Alibaba.com .
Q: Why your price more expensive than other China suppliers ?
A: Our material we use is much better than other suppliers , we use high zinc contect galvanized sheet for all ventilation exhaust fans , and screws all use good quality stainless steel , won't be rusted . For plastic products (eg. air coolers ) we all use new material to make sure the products can be long use . All our products , we use China famous motor brand , the motor can 1 year guarantee , with a correct using , the motor life can be more than 10 years.
Q: What voltages you can do , if you can make special voltages ?
A: Almost all kinds of voltages we all can make , but for special voltages , we have a big MOQ and maybe price will be a little higher . Our normal voltage is 380V 50HZ 3phase .
Q: Can you cheaper ?
A: We have many quality stage products for client choose , different stage price will be different , if you really want low price we will suggest you choose lower stage product , in our company , we don't have bad quality products , you can reassure about the quality .
Q: I want to use our own brand , is it ok?
A: Of course it's OK , we can make OEM products and also can provide our own brand products , it's all by your request .