... in the original, based on improved goniometer structure, increasing the load-bearing track, X-ray tube sets, frame body, the sample sets ... goniometerDesigned by a round rod lens, samples stage with a load-bearing track, can weigh 1-30kg,2-6 inches in diameter ... goniometerDesigned by b round rod lens, sample stage with a load-bearing track, and add a wheel-type frame, can weight 1 ...