The main process pumps, hanging cylinder filter, environmental protection air pump, LED lamp, aquarium accessories, heating rods, atomizer series of products.
主营工艺水泵、挂缸过滤器、环保气泵、LED灯、水族配件、加热棒、雾化器等系列产品。
2
Hanging bio-membrane experiment included two steps: in cultivating box and in trickling bio-filter.
试验分两步挂膜：培养箱预挂膜和滴滤塔中挂膜。
3
The filter plate can be used for hanging a fiber bundle filtering element and supporting a fiber filtering layer.