Have you tried one of the contact emails on this page?:

http://www.xianracing.co.uk/temp/ind...iewDoc&docId=2

I believe they've run out of the stainless steel can and are now supplying an identical one in shape but made of carbon fibre. This is the link to see it. They say it's for GY6 engined scooters but I think the overall size and 33 mm inlet pipe diameter makes it suitable for Qingqi derived bikes.

http://www.xianracing.co.uk/temp/ind...d&productId=51