Tang YanDr.

One of the few experts in screw compressors in the world, he invented the T, a, and Y-type lines that are applied to about 15% of the world's annual production of screw compressor products. With the support of Howden, a long-established screw compressor company in the world, he obtained a Ph.D. and served as a researcher. He was formerly a senior engineer at UTC Carrier Air Conditioning Company and developed a T-type line three-rotor refrigerant compressor that still holds the world's highest efficiency record. He was formerly the vice president and chief engineer of Quincy Compressor Company ...