PROJECTS ZJA12BY at the site of 750 KV East YinchuanZJA12BY for Shanghai Transmission Machine at site of 1000KV4 Sets of TBEA Xinjiang ± 1100KV Oil Purifier at our workshopZJA40KF at the site of TBEA Xinjiang UHV LaboratoryZJ-1200 Vacuum Pumping Unit at Chuxiong ± 800KV Convertor StationZJ-1200 for East China Transmission 800KV Fengxian Convertor StationZJA9BY Sold to Australia Wilson Transformer CompanyZJA12BY for Sichuan Transmission at Fulong ± 500KV Converter StationGF-200 for Shanghai Transmission Machine at site of 1000KV2 Sets of ZJA20KF at site of TBEA Shenyang ± 1100KV Oil System WorkshopZJA12BY for Hei Longjiang Transmission at the site of Shengli 1000KVZJA20KF at TBEA Shenyang A FactoryZJA12BY at ± 500KV Zhaotong Convertor Station in YunnanZJ-1200 Vacuum Pumping System at our workshop2 Sets of GF-420BY at Shandong Electrican’s Workshop12000L Transformer oil filtration machine in operationWhy do we need to recycle SF6