Aiersi is the only one supplier provide Koa Pili Koko Brand ukulele from China . Koa pili koko ukulele is high-end grade model made in China and it�s good for professional player or adults. Beautiful instrument with a nice tone at an affordable price. Only all solid models.currently,we provide solid Taiwanese Golden Acacia which most similar as koa material, with nice wood grain. All models are 100% handmade, we select better Strings like Aquila brand strings. All models with Ox Bone Nut and Saddle, & smoontly finish. Also, we can use deluxe abalone material for body binding.