限位開關  製造商、經銷商、供應商

*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

用於檢測各種容器和筒倉液位的裝置由內部開發和製造，並通過分銷商在世界各地銷售。
我們的優勢一目了然:

• 在液位監測領域有幾十年的經驗

• 創新單杆技術自主專利生產

• 開發生產:德國製造

• 高質量標準:按DIN EN ISO9001:2008生產

• 所有產品均通過CE認證

• 根據ATEX 2014/34/EU認證粉塵和氣體Ex

• 定製的特殊解決方案快速，簡單，經濟有效

• 全球滿意客戶

讓我們讓您相信我們的產品質量，並充分利用我們的設備提供給您的好處！

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.