GuangDong Longjiang HongJi Seating Co.,LTD. insists on providing customers with reasonable solutions according to their actual needs. HongJi's public seatings can be used in a variety of situations. HongJi has high-precision production equipment, electronic numerical control production system, and strict quality inspection system. We make sure that cinema chairs are of high quality and exquisite style. We are sincerely looking forward to establishing long-term partnerships with all customers! HongJi's school desk suppliers series include multiple types.
What are the requirements for the filter material? The requirements are as follows:1) have enough mechanical strength to avoid wear and tear during Flushing;2) it is necessary to have sufficient chemical stability and cannot be dissolved in water. Otherwise, it is easy to affect the filtered water quality. The filter material can not release other harmful substances into the water;3) cheap price, sufficient supply, can be based on local materials;4) there must be a certain level and void ratio. Filter materials for different purposes are different. The smaller the particles, the higher the accuracy, the better the effluent.