Asian tremolos besides C

My main ones are Seydel Skydivers in C & C#, a Tombo Band 21 in G, a Suzuki SU21 in C & 2x in A, plus a Swan C/G.

I've had a few of the cheap ones, but neither liked them or their sound - it is probably best to save up & get a good one.

Cheap tremolo harmonicas are usually disappointing. I agree with Keith. Save up and buy quality. My favorites are the Seydel Skydiver and Sailor steel reed. I have 3 Sailor and 2 Skydiver. The Skydiver has the Asian note system. Suzuki Humming or High Class Humming are also good. I have 6 Suzuki. 3 Humming and 3 SU21 SP. The SP or special has the same reed plates as the Humming but cheaper covers and screws. I consider it a good buy but it has been discontinued. It was replaced by the SU 21 SP N with N meaning New. It is supposed to have the same Japanese reed plates but the comb and covers and case are made in China. You may find some new old stock SP still. I just bought an A last summer for $38. Rockin Ron had them as Suzuki Two Timer 21 (not the 24 which is different).

I have heard nothing but good things about the top of the line Tombo tremolo harmonicas, but have never played one. A friend of mine from Europe told me the Suzuki Winner is the best of the under $25 tremolos. I never had one. Of course it doesn't perform like a $100 harp. DaBell is a new Korean company that I have heard nothing about. I would like to hear a youtube review of a DaBell.

Imagine a tremolo as two diatonic harps and then factor in the fine tuning between top and bottom reeds. I would expect to pay at least double the price of a quality diatonic. If you are paying half the price of a good diatonic then don't expect quality. If my budget were that tight I would prefer to get a decent diatonic instead of a cheap tremolo.

Eezyreeder still has the SP listed as a 21 note Two Timer for $45. Fred is good to deal with. Suzuki made these in all keys but Suzuki USA only imported A and C.
Last time I saw him at SPAH Danny G at newharmonica.com had some 21 note Suzuki SP for under $40. He stopped selling Suzuki and doesn't have them listed on his site but if you call him he might still have a few.

(As to your question about the Swan C/G, I wouldn't bother getting another, although it is quite a good beginner tremolo.)

You know, collecting various keys & types of harmonicas can be a rewarding hobby.....

I have several Easttop diatonics and they play great. Several of my videos are done with the Easttop 008K. Don't know about their tremolos.

This time I am keeping my nephews harmonica with mine and he can play it while I can watch him.

Mine all from RockinRons. I guess the qualify control at the factory is unpredictable.