With several patent certificates, our swirl aerator is recognized for its non-blocking design, low resistance, high dissolved oxygen rate, low maintenance cost, and low aeration energy consumption. At Qingdao Wingoal Trade Co., Ltd., we are committed to providing our customers...
* Easy to operate, compact structure, fast response and low failure rate. *Adopt imported load cell, pneumatic element and detective element, with a self-reduction and safety devices. *Super filter function of anti-vibration, anti-interference,make sure weighing process stabl...
totaling approximately 100 individuals, had died while being forcibly deported to Deir ez-Zor from various causes, including hypothermia, consuming poi- sonous plants, and starvation.63 September of that year once again saw a considerable increase in the death rate and disease as the famine persiste...