美女被操亚洲黄色av乐园_巜公交车里的性服务2_337p日本欧美人艺木之色噜噜_好男人精品视频社区_白嫩的女同事23p_成人va亚洲va欧美天堂_丰满少妇2中文在线观看_国产三级做爰高清视频_亚洲日韩第99页在线_黄色三级片在线免费

Current Location:home???About Us???Companies

Zhejiang Youda Electric co., LTD. is a professional vacuum switch production base in zhejiang province For Tianjin SanKai, is a collection research and development, production, processing, sales and service in the integration of  enterprises.

 

Tianjin SanKai is in the early 70 s is engaged in the vacuum switch research and development and production of professional manufacturers, is now on the market of vacuum contactor mainstream aircraft CKG3-7.2 KV, CKG4-12 KV is the first independent research and development of products of the company. The company of vacuum switch has a unique design concept and production experience, over the years with many domestic famous enterprises established long-term supply relationship, and exported to Europe and Asia, and other countries. Company in recent years, the development of special permanent magnet high voltage vacuum contactor prepaid metering box, outdoor permanent magnet high-voltage vacuum load switch, and the latest research and development of the country's first intelligent permanent magnet high voltage vacuum contactor, have been widely used and well received. Some of these products have been granted patents, is the company's excellence in vacuum switch technology.


Zhejiang Youda Electric co., LTD. in order to better control the quality and cost saving, increase the interest of the customer, with Tianjin SanKai technology and relying on the advantage of the local industry chain, the insulation of the vacuum switch series of products, machined parts and composite components are independent development, manufacturing, processing and assembly. And in order to further promote and customer win-win, cooperation each other, the purpose of our one-stop service, can provide vacuum switch is a full set of parts by the customer self-assembly, and give full support in technology. If you have any special technical requirements on product use we will help customers improve or develop new products.


In the New Year, new journey, the company will with more quality products and more perfect service, for your career strange color!