我公司是生产变压器配件的专业厂家。主导产品：油位表、气体继电器、压力释放阀、收缩带、活门、蝶阀、分解开关、储油柜胶囊、干式变压器冷却风机数十种产品。
公司通过ISO9001-2000国际质量体系认证，具有完善的生产制造、检验设备以及先进的生产管理体系和质量保证体系。公司通过引进先进的生产设备，不断改进和提高产品的质量，并且从技术到售后服务都有严格的规章制度。产品经过国家质量检测中心检测，质量达到国家标准。
公司产品远销国内数十个省市的百余家企业，单机出口和随变压器主机出口到中东、东南亚等地，被指定为其供应方定点厂家，深受广大用户的好评。
感谢全国各地、海外用户长期以来对沈阳玉国产品的使用和信任，公司将一如既往以优质的产品、合理的价格、竭诚的服务，与您携手共进！
Our company is specialized for making transformer accessories. Leading product：Gas relay、sealed gas relay、gas sampling device for gas relay、stainless steel weather cover for gas relay、point type oil level indicator、pressure relief valve、vacuum eccentricity valve、disc butterfly valve、valve、discharge oil valve、cooling fan、moisture absorber、rubber capsule oil tank of transformer, Decomposition switch,oil-filled transformers casing and so on.
Our company passed ISO9001-2000 international quality system certification.Our company has consummate systems of producing, testing equipment and advanced system of producing management and quality assurance. By importing advanced producing equipments, our company ameliorates and consummates the quality of productions, and administers strict bylaw both to the technique and after service. Our productions are confirmed by the national quality inspection center, and the quality achieves the national standards.
Our productions are sold to hundreds of companies in many provinces in China; what’s more, single machines and mainframes with transformers are exported far to the Middle East and Southeast Asia. We are appointed as their designated company, receiving good reputations from users.  
Thanks for the use and trust given to Shenyang Yuguo from the users all over the country and overseas, we will use high quality productions, reasonable price and best service to hand in hand advance with you together!