Source: http://forum.worldoftanks.com/index.php?/topic/263832-possible-chinese-spg-pictures-inside/
Thread by: TK3600 (US forums)

Original source: http://bbs.duowan.com/forum.php?mod=viewthread&tid=33577631&extra=
Author of the branch: SMSBC (Chinese forums)

Hello everyone,

remember the Chinese tank destroyer proposal, that came from one Chinese player? Well, this is a SPG line proposal from the same guy. It’s very interesting, so let’s have a look at it. The text from now on is from TK3600, another Chinese player, who posted this on US server forums, the words are his.

Chinese made SPGs have surprisingly great quality, and have great success in international export. However, little was known about Chinese SPGs prior to 80’s, very few were made; that is a problem for WoT. Despite the difficulties, I’ve found some interesting data, made a possible Chinese SPG line. Like what I did with Chinese TDs, I cannot guarantee that they will appear in WoT. Nothing is confirmed until official release.

Picture: Type 97/79 > SU76-1* > Wolverine. mod > Type70 > Type70-1 > BTR50-130 > Type58-152-2 > Type59/203

Tier 2: Type 97/76

It has a hull of Type-97 Chi-Ha with a 76mm gun inside a modified superstructure. The original maker could be Japan, before being captured by KMT (GMD), and then captured again by PLA during Chinese Civil War.

Tier 3: SU-76-1

Sold by Soviet, this Chinese SU-76 can mount 85mm gun.

Tier 4: M10 Wolverine SPG:

During the Chinese Civil War, KMT (GMD) brought unarmed version of M10 as tractors, then armed it with a Japanese Type91 105mm gun on a local produced turret. The interesting part is that the 105mm gun fires AP.

Tier 5: Type-70

Type-70 is the first locally produced SPG, mounted on Type-63 APC’s hull, armed with a Type-54 122mm howitzer.

Tier 6: Type-70-1

Type-70-1 is an improved version of Type70. On the exterior, the only noticeable difference is the addition of an extra pair of road wheels. Compared to Type70, Type70-1 also has a tougher hull and improved amphibious ability. This SPG can use a long barrel 122mm gun, with a Type54 152mm gun as the upgrade.

Tier 7: BTR 50-130

A SPG with BTR50 APC’s hull, mounting a gun varies from 122mm, 130mm, and 152mm. Not much was known about this project, since China never officially purchased BTR 50.

Tier 8: 58-152

Based on the Chinese T-34-85, also mounting 122mm gun or 152mm gun. Though there is no photo about it, I posted some foreign SPG based on T34-85 to give you an idea. The picture above is Cuban T-34 hull, with 122mm gun.

Tier 9: 58-152-2

Practically the same as last tier, except can mount better 152mm guns like Type66 or others. The picture above is Syrian T-34’s hull, should be closer to this.

Tier 10: Type59-203

Using Type59’s hull, this SPG mount a 203mm gun captured from American M43 during the Korean War.

Note: During 50s or 60s, most of captured or exported tanks started to retire. To avoid wasting resources, most of them became SPG or TD. During the 60s, Lin Biao proposed a 240mm SPG project. It had never been made to blueprint stage though.
(TK3600: I proposed this as the tier10 SPG, but it was rejected by the author due to lack of resources. I don’t mind if WG mess with the requirement and make one themselves.)
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Disclaimer: This article was written before the Taiwanese SPGs article on FTR. The original Taiwanese article was published a year ago, only to be found by SS yesterday. Nothing was copied.
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TK3600’s final comment: I believe BTR50 SPG does not exist. Type58 SPG should be merged and move to tier7, while the extra SPG in the bottom fills the tier8 gap. Type59-203 should be nerfed to tier9, with the 240mm SPG replacing it.

Extra: An interesting SPG with a turret and amphibious hull, 122mm gun. If WG allow more modern vehicles, Type83 may be able to appear. Chances are low however. (TK3600: This may be a better SPG to replace Type58-152-2)