Xi'an YongHua Group Co., Ltd. is a New & Hi-Tech enterprises. Yonghua Group has a predecessor-the Xi’an Sealol(EG&G SEALOL) Seals Co., Ltd., which was founded in 1987. Yonghua is a professional manufacturer specializing in Edge-Welded Metal Bellows Seals. Having inherited more than 30 years of high-technology research and development strength of sealing solutions, Yonghua Group integrated its resources and complemented its advantages with a new futuristic perspectiv...