Alavanca de comando  Fabricantes, Comerciantes, Fornecedores

Our production program includes a diverse range of controllers, control
stations, resistors, starters, in addition to a broad spectrum of
controls for all types of transport machinery, construction and shipping
cranes.

A systematic approach to innovation
Since Gebrüder Frei GmbH & Co. was founded in 1949 by brothers Willi and Karl Frei it has developed into an international supplier of electrical and electronic devices and components that is very much in demand all over the world.
Its flexible standard solutions and, to an even greater extent, its creative bespoke developments are helping to set the benchmark worldwide in the areas of power supplies, control systems for transport technics and control systems for textile machines.
The name Frei has become synonymous with extensive expertise that is available all under the same roof: from the initial idea, followed by the planning, production and testing stages, right through to the complete systematic solution. It is our curiosity and constant desire to find a better way that inform our approach as we set about this task. This process results in innovative solutions that consolidate our market position and can be rapidly distributed to customers via our efficient sales organisation.

Established in 1995, SHANGHAI SIBO M&E CO.,LTD is a multifaceted enterprise specializing in production, agency, complete sets, technical services and import & export. SIBO has more than 30 years of experience with research and development of potentiometers, sensors and joysticks, and has received quality management certification ISO9001. SIBO is further recognized as Shanghai High Tech Enterprise, Shanghai "Specialized and Innovative" Enterprise, Shanghai SMS Enterprise, Shanghai Class AAA Contract Credit Enterprise and repeatedly as Shanghai Advanced Private Enterprise.
As a professional sensor manufacturer over the past thirty years, SIBO has built many brands, such as SENTOP, Rotory Hall, HALLENCODOR, LINEARHALL etc. Meanwhile, SIBO is fully responsible for the selection of Japanese SAKAE brand and German MEGATRON brand products in the Asia Pacific region, the R&D and manufacturing of customized products or specifications, technical support, sales promotion, after-sales services etc. SIBO's product portfolio encompasses wire wound potentiometers, conductive plastic potentiometers, linear displacement potentiometers (sensors), signal communication modules, levers, pedals, pull wire sensors, and tilt sensors. We have notably won several patents with our third-generation precision potentiometers, non-contact precision potentiometers (also known as contactless potentiometers, including non-contact potentiometers and non-contact encoders).
SIBO’s workshop in Shanghai spans over 2000 square meters, and owns more than 100 patents including software copyright and technical certifications. We have an excellent R&D technical team composed of postgraduates and industrial experts, with strong technical strength and rich experiences in product R&D. We focus on product development and innovation, and are committed to providing customers with high-quality products and complete solutions. We guarantee our product quality through rigorous testing with our self-developed equipment.
SIBO maintains production bases, branches, and agency partners across mainland China, Hong Kong SAR, Taiwan China, Japan, Europe, the United States, and other regions. We attach great importance to establishing partnership with high-quality customer groups. We always advocate "honest sales", adheres to the belief of "focusing on process and quality", and pays attention to professional technical support. Product quality, purchase guarantee and after-sales service are the constant guarantees that SIBO will keep. SIBO will continue to growth with new and old customers and strive for excellence.