Beijing Zihang Dahui Electronics Co., Ltd. was established in 2013. We are the manufacturer of the cooling fans and server heatsink. The company is headquartered in Beijing, China. All of the products have obtained CE and Rohs certifications. Beijing Zihang Dahui Electronics Co., Ltd. has a professional overseas sales team with more than ten years of experience in the field of cooling research and development. Our products include DC AC EC cooling fans, server heatsinks, cross-flow fans, blower fans, and cooling fan accessories. Our products are widely used in equipment fields such as communications, electric power,medical, laser system, automobile, LED, home appliances, and machinery. The company adheres to the spirit of "service first,customer first" and integrates decade resource advantages in the field of cooling to meet customer needs. The factory has advanced equipment and can customize production according to customer requirements. We will provide customers with high-quality services and reliable products.
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1 What are kinds of cooling fan or centrigugal fan supplied by your company? Answer: we can provide DC cooling fan, AC cooling fan, EC cooling fan and blower fan.
2 What are kinds of information provided by the customer before inquiry? Answer : please kindly advise the size, voltage, the type of bearing, the speed of fan , or air flow.
3 How many types bearing of our cooling fan are there in our compnay at present? Answer : now we have two types bearing for the fan, sleeve and ball, working time of sleeve is for 30,000 hours, the ball is for 50,000 ~70,000hours.
4 How to detect the data of cooing fan in your company? Answer: the speed and voltage are detected by the tachometer, air flow is found by wind tunnel.
5 How to control the quanlity of products in your company. Answer: 100% total testing before each of fan leaves our factory.