3D Printer Hot Bed Accessory Kit Geeetech A10/A10M/A10T/A20/A20M/A20T/A30/A3T. Suitable for: Geeetech GT2560 V4.1B Version. Shenzhen Getech Co. Geeetech has been one of the most prominent rising star in the area of 3D printing in Shenzhen ,China, even the world, since founded in 2011.