ZPW21A Automatic Herbal Rotary Medical Tablet Press Machine is used to make different kinds of granular materials compressed into flake, the advantage is not only can suppress the shaped pieces of various geometric shapes, double-layer tablets, ring-chip and double lettering pieces but also can suppress the round-chip piece. During operation, the depth of filling material and the thickness of the tablets can be adjusted. When overload occurs, the machine stop automatically.ZPW21 is designed to meet GMP standard. The pressing area of an improved type of ZPW21 is sealed with four polymethyl methacrylate doors to be isolated with outside environment. The parts contacting the materials are made of stainless steel or their surface is well antisepticized to avoid pollution.