What about CIF of elementary school chairs ?
HONGJI will unwaveringly pursue the vision of being the public seatings industry leader. Check it! The Brand HONGJI Created by GuangDong Longjiang HongJi Seating Co.,LTD. Has a History of Years HongJi's school chairs has better quality than other products in the industry, which is specifically shown in the following aspects. HongJi could customize comprehensive and efficient solutions according to customers' different needs.

What is a drying filter? There are two kinds of drying filters, vertical and horizontal, and the internal structure is basically the same. The horizontal drying filter is shown in Figure 4-49. The inside is equipped with active alumina, calcium chloride without water or silica gel to absorb moisture in the refrigerant. The inlet and outlet of the drying filter are equipped with a filter screen at both ends to remove mechanical impurities in the refrigeration system and prevent blockage.\ 'Role = \' figureFigure 4-48 structure of ammonia filter1. liquid inlet 2. liquid inlet 3. end cap\ 'Role = \' figureFigure 4-49 structure of horizontal drying filter1. end cap 2. filter screen 3. liquid outlet 4. desiccant 5. liquid inletThe drying filter is used in the fluorine refrigeration system (ammonia refrigeration system generally does not install the drying filter), which is set on the liquid tube track before the throttle valve.Filter double-cylinder filter Overview: The filter is an indispensable device on

How to place ceramic rings and germ houses? Principle of placement of germ houses: (1) 'does not affect the smoothness of water passing through ';(2) 'put as much as possible '.Methods: (1) drill several small eyes on the wall;(2) both flat and vertical.Determined by the size of the filtered space,If there is enough space, how can you put it,If the space is small (such as the filter on the finished cylinder), the water speed will be increased neatly.Can be used in all biological filters,External filter,A drop purification filtration system and a garden pond filter.As an efficient and durable filter material, it is also particularly suitable for small biological filters,Biological filter cotton can be used as a front filter material to avoid pollution caused by floating objects.Because the ceramic ring is covered with micro-holes,Suitable for the reproduction of nitrobacteria,It can play a role in purifying water quality.The germ houses are all cylinders,There are many small holes in the side,This struc
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