My first job was with the importer of Ding How mini-bikes around 1971 in Seattle. The owner was Heinz Weil (pronounced weel not sure of the spelling). He had a daughter, Laurie, also around 16-18 at the time. I can't seem to locate them now. Fellow employee Paul Wyman might be locatable though. We imported trailers, then these Ding Hows, then onto Jupiter bicycles for the local Bon Marches. The head salesman, Terry, went on to form Seattle Bike Supply but has since passed on. I was the bike mechanic, didn't learn much about the mini-bikes or trailers and I went on to work as the Bon Marche's bicycle assembler/repair guy. The location for the Ding How importer was across the street east from the Northgate mall in Seattle and then down to a warehouse in the Fremont district. Heinz Weil had been a negotiator in Japan/China and used his contacts to procure these imports during what we called the 'bike boom' when we helped import a lot of bikes-everybody wanted to add bikes to their sales floor. I still have a handful of stickers, a memory of riding around the parking lot a few times, and seeing a prototype Ding How motorcycle. I might have a payroll stub, but he paid cash, reluctantly after 2 monthes, after I kept a log of all my work and hours. He negotiated a pittance, but hoped the couple of hundred I had would seem like a lot. I took it and never came back. The bookeeper knew we were going under too. She had a cool Opal GT. So...not much from me about your bike but I do have some stickers.