WenZhou Zhenzhou High-volt Instrument Transformer Co., ltd. Founded in 1982, engaged in producing variety of high/low volt instrument transformer, its main product contains below-35kv series transformer with many characteristics of high-precision, high-moving thermal stability, wide power factor, multi-class, all operating state, high-volt pollution proof, small volume, hight weight and simply installing etc. the company is the key enterprise in Wenzhou, it has passed ISO9001 international quality system certification in 2003. Our company possesses precise and perfect technology test equipment, of which contains KC-1430 model whole-vacuum casting plant, HEW5E whole-auto instrument transformer tester, HEW-99 intelligent check meter, JF-8601 model partial discharge test device, insulating oil dielectric loss test device and 200kv power frequency volt withstand test-bed etc. its factory occupied area achieves 3700m2, owns 165 workers, of which possesses twelve engineering technicians, three senior engineers, its annual sale amounts to more than ten millions Yuan, which provides guarantee for development and design of new product and product’s quality. Our company wins good faith to certain degree at home and abroad, the product is sold well throughout whole country, municipality, municipality directly under the Central Government, some product is also exported to south-east Asia, obtaining trust from majority of customers.