DVB-S\/S2 TUNER chip manufacturers belong to competitors. For example :Ali, SHARP, Airoha and so on. So what other manufacturers?

S's or S2's? A lot of them, like NECIBM. Domestic see S is more commonly, ALI3328, GX6101, HAIER2301, also have STI5518 card machine. S2 see less, the general H264, are special aircraft chips, such as D200 with the GX chip,HIBOX series with ALI model forget,DM800 with IBM, ha ha, you go to see the chip.