YONGSIN QUARTZ was founded in 1998 as a joint venture. It applies itself to developing, manufacturing and marketing high performance specialty fused silica products, refractory products and ceramics. Its major customers are in the electronic, foundries, refractory and glass industries. 
YONGSIN QUARTZ main goal is to be responsive to its customers needs with outstanding products, materials and service to improve the end products quality and lower production costs. We make customer our first priority. We share their problems and challenges by working with them as business partners to develop successful solution. 
YONGSIN QUARTZ enforces a broad, system-wide quality assurance program. Manufacturing standards are certified to ISO 9001: 2000 by Chinese Government.