重慶長基科技有限公司（簡稱BTL），公司科研團隊經過多年對空心杯電機核心部分——空心杯繞組技術的研發，已開發出大尺寸空心杯繞組全自動繞線機，打破了國外空心杯電機生產企業對此項技術的長期壟斷，是目前國內大尺寸空心杯電機生產企業唯一掌握此技術的制造商，科研團隊在此基礎上研發出一套精確的空心杯電機計算方法，所設計研發的無刷空心杯電機已達國際領先技術水平。

公司現階段主要研發與生產大尺寸（外徑16mm—100mm）、大功率、多極數、高轉速（可達12萬轉/分鐘）、最高效率可達93%的無刷空心杯電機，其產品已廣泛運用到軍工、醫療、智能裝備、機器、新能源汽車、電動工具等領域。我們以“科技報國”為使命，致力于打造成空心杯電機自動化生產技術的引領者、空心杯電機民族品牌的領導者。

Chongqing Changji Technology Co., Ltd. (BTL) has developed a large-sized coreless motor, which represents a breaking of long-term technical monopoly by the counterparts overseas. Our company stands for the only manufacturer holding this patent in China, due to years of our R&D team’s effort on researching coreless motor winding technology. Our brushless coreless motor, adopting a new algorithm, also meets the advanced international standard.

We now focus on developing and producing large-size(O.D 16mm-100mm) and high-power brushless coreless motors which feature multipole mode 、high speed(up to 120thousand r/min) and top to 93% efficiency. It has widely used in military, medical, AI and machinery industry, as well as new energy vehicles, electric tools, etc.

Committing to ”serving our homeland by innovation”, our company aims to build an influential national brand leading in coreless motor technology and automatic production of it both at home and abroad.