The headquarter of Lantai Plastics Machinery Co., Ltd located in Lanzhou, ***** China. Lantai was created by Rubber & Plastics Machinery Research Institute of TIANHUA CHEMICAL MACHINERY AND AUTOMATION RESEARCH INSTITUTE. Lantai is the birthplace of twin screw extruder in China. We have been researching and developing twin screw extruder for more than 40 years. We have undertaken many research items from the National Committee of Science and Technology, SINOPEC and the Ministry of Chemical Industry. We have developed more than 15 types plastics machinery so far. Some of them got innovation Prizes, the progress Prizes of Science and Technology of the Nation, Provinces and the Ministry of Chemical Industry.