Chongqing Qianguang Mechanical & Electrical Research Institute is a national hi-tech enterprise established in 1985. This Institute is specialized in the research of oil purification and regeneration processes in addition to the R&D of oil filters. And it also boasts 5 national patents and receives the gold award of the seventh session of China's New Technology & New Product Expo where its commodities were honored as state-level new products by Chinese State Scientific and Technological Commission. The Institute takes the concept of

"quality-based production". Meanwhile, this Institute values the reliable quality of products with its advanced process and technologies, complete production devices and perfect inspection measures. Moreover, it provides numerous advanced and practical oil filters to the customers. Thus, Qianguang

Institute always enjoys good reputation among the users.

Many enterprises have witnessed the successful application of ZYA-500 extra large two-stage vacuum oil filters, such as Liaohe Oilfield, Jiangsu Hi-tech Petrochemical. Chengdu Xinxu, and Xinjiang TBEA SUNOASIS Co., Ltd. etc.

This device can effectively remove water, gas and impurities from oil and ensure no acetylene and hydrogen in the finished oil, so it is quite popular among the users engaged in 110KV-500KV power transmission and distribution.

Electronic vacuum oil filter newly developed with intensified separation capability not only boasts the general advantages of ordinary similar products, but also the features of handling the transformer oil under ambient temperature.

Therefore, it is bound to be regard as upgraded and updated among oil filtration devices.