Aspirelabs Co. Ltd. is based in China and lists dental equipment on Global Trade Plaza, including the TLC High Speed Standard Push Button Q/D handpiece. This product is described as a high-speed turbine handpiece with QD-J style couplings, featuring ceramic bearings, an ultra push chuck, single water spray, autoclave sterilization at 135°C, and a 4-hole screw-on connector with 360-degree swivel quick disconnect. Operating specifications include air pressure of 25 to 30 psi and a speed of 400,000 R.P.M.