QINGDAO JINGRUN SPECIAL GLASS CO., LTD is a manufacturer of sapphire glass, watch glass, sight glass, optical glass,glass lens , quartz glass , borosilcate glass,glass straws , quartz glass tube , borosilcate glass tube,high temperature resistant glass and so on with well-equipped testing facilities and strong technical force.With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in optical tecnology and food industries and other industries.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!