In 2003 HANGTO acquired credentials of non-governmental-run manufacturing science and technology enterprise. In addition, HANGTO owns foreign trade right, imports and exports all of our equipments on our own.

In the past ten years HANGTO has made good achievement in Electric high voltage and UPS.

HANGTO's core business includes but not limited to the following:
(1) DILO / Germany: SF6-gas Handling and Measuring devices, SF6-Valves and Couplings, High pressure tube unions
(2) HERING AG oil purification device and vacuum pump station，online dryer and vacuum ipregnating plant.

For many years, by right of high quality of products, reasonable price and perfect service, we have carried out the overhauling of several dozen GIS and SF6 switch cooperating with our users including Hong Kong and Macao Electric Company. We have accumulated abundant experience. Moreover, we have accomplished more than 800 sets direct current power's outfit of transformer substation and mobile communication BTS, and installed lots of on-line transformer oil treatment equipment of on-load taps changer for transformer. So far, HANGTO has thousands of customers in the field of power industry and we keep in touch with them all the time. The customers feel satisfaction at our products and our services.

HANGTO works as a bridge between the foreign manufactures and Chinese end-users with the aim to promote application of high technologies in the power industry. We periodically translate informative materials, technical theses to introduce the latest development of the SF6-gas handling and measuring technologies and advanced filter equipment, arrange personnel to go abroad to participate in professional training and academic exchanges.

We welcome any inquires from interested parties and look forward to providing satisfactory services to you.