Yongshuihu flat band is the product of the most strong and successful slingshot club in China. Actually now it is also a company with operating a successful slingshot business.
But in China people is used to call it as a club because of the outstanding competition results---in 2018 they win 5 team champions in 5 biggest Chinese slingshot leagues.
They were the earliest group who introduced and promoted lat bands since 10 years ago, at that moment there is no dedicated shooting bands and most of slingshot are equipped with tubes. They are also the earliest experts to shoot and design slingshots for flat band in China. Until now, their business are still only focused on flat bands and slingshot for flat bands.