20t round sling ndi kapangidwe katsopano, kudzera muukadaulo wapamwamba kwambiri wopangira komanso zida zapamwamba kwambiri, magwiridwe antchito a 20t kuzungulira gulaye mpaka mulingo wapamwamba kwambiri. Ndife abwino pachilichonse cha 20t kuzungulira gulaye , kutsimikizira mulingo wapamwamba, kuti tikubweretsereni chidziwitso chabwino kwambiri chazogulitsa. Lishenflex ndi katswiri waku China 20t wopanga gulaye ndi wogulitsa, ngati mukufuna gulaye yabwino kwambiri ya 20t ndi mtengo wotsika, tifunseni tsopano!