Level Switch  Manufacturers, Traders, Suppliers

*Yueqing Tongda Wrie Electric Factory (headquarter) was founded in 1990
*Our main business is developing and manufacturing industrial control switches, such as Micro Switch, Rocker Switch, Telephone Hook Switch, Push Button Switch, Tact Switch, Refrigerator Switch and so on.
*Our products have passed the testing of UL,C-UL, ENEC,VDE, KC, CE, CB,TUV, CQC, EX (explosion-proof crtification) and other domestic or worldwide safety certifications.
*which has been approved by our customers (Chinese famous brands such as Media, Supor, LG Tianjing, Okin, Joyoung, Povos, Wirlpool, SEB France, Teka etc.) and it is gaining fame from our good product quality.
1. Provide customer-satisfied factory product sand supporting services for high-end complete machine enterprises
2. Integrity, diligence, pragmatism and innovation
3. Meet customer needs, become a national brand, and achieve outstanding employees

The devices for the detection of levels in containers and silos of all kinds are developed and manufactured in-house and sold worldwide through distributors.
Our advantages at a glance:

• decades of experience in the field of level monitoring

• Production according to own patents in innovative single-rod technology

• Development and production: Made in Germany

• high quality standard: production according to DIN EN ISO 9001:2008

• all products CE-certified

• Approval for dust and gas Ex according to ATEX 2014/34/EU

• customized special solutions fast, uncomplicated, cost-effective

• satisfied customers worldwide

Let us convince you of the quality of our products and take advantage of the benefits that our devices offer you!

Endress+Hauser is a global leader in measurement instrumentation, services and solutions for industrial process engineering. We provide process solutions for flow, level, pressure, analytics, temperature, recording and digital communications, optimizing processes in terms of economic efficiency, safety and environmental impact. Our customers come from various industries, including chemical, food & beverage, life sciences, power & energy, primaries & metal, oil & gas and water & wastewater. Serving comes before earning: this founding principle has shaped our company to this day. That’s why we are always close to our customers with a worldwide network of sales and production centers.

VEGA Grieshaber KG is a world-leading supplier of level, switching and pressure instrumentation. In the area of non-contact level measurement with radar, the sensor manufacturer has been the international market leader for many years already. Radar sensors from VEGA have proven themselves under extreme conditions – pressures from vacuum to 160 bar and temperatures from -170° to +400° C.
The company and its products have all necessary certificates and approvals for worldwide operation. This applies just as much to the technical reliability as to the quality of the products and services. The ISO 9001 certification of VEGA Grieshaber KG guarantees that all products, from development to manufacture and final inspection, comply with a prescribed, consistently high standard.
Established in 1959 in the Black Forest, VEGA today employs 900 people world-wide, 500 of whom are at the company’s headquarters in Schiltach, Germany. This is where solutions are forged for the most demanding measuring tasks in chemical and pharmaceutical plants, in the food industry and drinking water supply systems, in sewage plants and landfills, in mining and energy production, on drilling rigs and ships, and even in airplanes. VEGA is active with subsidiaries and sales partners in over 70 countries.

Anderson-Negele is a global company specializing in the development and production of sensors and measuring equipment for hygienic applications. As your reliable and flexible partner, we aim to always provide you with the best solution for your process. The name Negele has been synonymous with innovative products of high quality for over 35 years. As a pioneer of hygienic measuring equipment, we have focussed on the special needs of the food, beverage and pharmaceutical industries from the very beginning. Through our innovations, we strive to give our customers the economic and technological edge that will contribute to their success. To achieve this, we look at your particular needs and develop solutions that specifically address the demands for your production processes.
As part of the DANAHER Group of companies – a global “Fortune 200“ technology leader – Anderson-Negele practices the successful Danaher Business System (DBS). With the help of DBS, we ensure the high quality of our products in development and production and continuously improve our processes and methods.
Today, Anderson-Negele globally serves customers in the food-processing and pharmaceutical industries as well as OEMs and system integrators. Each of our employees is uniquely dedicated to your requirements and wishes. Our product spectrum includes sensors for temperature, level, pressure, flow, conductivity and turbidity measurement as well as innovative solutions for optimizing your production process. Our products meet the required 3A, EHEDG and BPE design standards.
With manufacturing facilities in the United States and Germany and sales and service offices in the U.S., Europe, China, India and Mexico, Anderson-Negele is your reliable and flexible partner for hygienic instrumentation, sensors and application processes.