No nā makahiki he 19, ʻo Guangzhou Teyu Electromechanical Co., Ltd. (ʻike ʻia ʻo S&A Teyu) he ʻoihana ʻenehana kiʻekiʻe eco-friendly i hoʻokumu ʻia ma 2002 a ua hoʻolaʻa ʻo ia i ka hoʻolālā ʻana, R&D a me ka ʻōnaehana hoʻoheheʻe ʻenehana. Ua uhi ke keʻena poʻo i kahi o 18,000 square meters, a he 350 mau limahana. Me ka nui kūʻai makahiki no ka ʻōnaehana hoʻomaha a hiki i 80,000 mau ʻāpana, ua kūʻai ʻia ka huahana ma mua o 50 mau ʻāina a me nā ʻāina.
S&Hoʻohana nui ʻia kahi ʻōnaehana hoʻoluʻu Teyu i nā ʻano hana ʻenehana, ka hana laser a me nā ʻoihana lapaʻau, e like me nā lasers kiʻekiʻe, nā spindles kiʻekiʻe kiʻekiʻe o ka wai, nā mea lapaʻau a me nā ʻoihana ʻē aʻe. S&Hāʻawi pū kekahi ʻōnaehana hoʻomalu wela ultra-precision Teyu i nā ʻoluʻolu hoʻoluʻu e pili ana i ka mea kūʻai aku no nā noi ʻokiʻoki, e like me picosecond a me nanosecond lasers, noiʻi ʻepekema biological, hoʻokolohua physics a me nā wahi hou.
Me nā hiʻohiʻona piha, S&ʻO kahi ʻōnaehana hoʻoluʻu ʻo Teyu ka hoʻohana nui ʻana i nā wahi āpau a ua hoʻokumu i kahi kiʻi hōʻailona maikaʻi loa i ka ʻoihana ma o ka mana pololei, ka hana naʻauao, ka hoʻohana palekana, ka mālama ʻana i ka ikehu a me ka mālama ʻana i ke kaiapuni, i kapa ʻia ʻo "lndustrial Chiller Expert"