Yiwu Guiaseis Insulator Co., Ltd. , founded in 2006, covering an area of 3, 000 square meters. We have more than 50 experience workers. Combined with advanced production technology and years of experience manufacturing, we use optimized technological flow, elaborate workmanship and picked elements during our production, so as to provide clients with quality reliable products. Meanwhile, thanks to our sound credits and excellent customer services, our products have been sold to Europe, North America and the Middle East. In order to offer high quality to customers, we have 4 QC members. All components will be checked one by one. After assembling, our QC will conduct high pot test, earth test and lighting test one by one. When the whole order is finished, our QC will do the spot check, confirming each products of high quality. Our products: High Voltage Transformer Bushing, Pin Insulator With Spindle, Disc Ceramic Insulator, Wholesale Primary Transformer Bushing, Silicon Rubber Insulator, Ceramic Transformer Bushing Insulator, Din Standard Transformer Bushing, Strain Porcelain Insulator, High Tension Toughened Glass Insulator, China Strain Porcelain Insulator