Umwirondoro w'isosiyete
Lianhua ukora isesengura ryamazi meza mubushinwa afite amateka yimyaka 40. Izina ryirango ni Lianhua. Turi Abashinze isesengura ryiza ryamazi Inganda. Turi abategura uburyo bwo gupima COD iminota 20 yihuse, igabanya cyane igihe cyo kugerageza COD, itanga ibisubizo nyabyo, kandi igabanya imyanda ya reagent. Ubu buryo bwanashyizwe muri abstract abstract chimique》 muri Amerika. Ubu buryo kandi bwahindutse inganda zemewe na guverinoma y'Ubushinwa. Hamwe nimyaka irenga 40 yiterambere, Lianhua yungutse abakoresha barenga 200000. Igipimo nacyo kigenda cyiyongera buhoro buhoro, ubu dufite ibirindiro bibiri bibyara umusaruro mubushinwa. Turabizi ko isesengura ryamazi rigomba kuba ryiza, niyo mpamvu twiyemeje kuguha ibisubizo byuzuye ukeneye kumva ufite ikizere mubisesengura ryawe. Nimbaraga zacu zubushakashatsi bukomeye hamwe nubunararibonye twakusanyije mubijyanye no kumenya ubwiza bw’amazi mu myaka yashize, Lianhua yateguye yigenga kandi itanga ibicuruzwa byinshi byo gusesengura amazi. Harimo: