Shijiazhuang Zeyuan Optics Co.,Ltd handle in produce various optical glasses many years and The equivalents the same as SCHOTT and HOYA can be produced by us with good quality and competitive price. such as, Blue Glass, Red Glass, Green Glass, Orange Glass, Golden Glass, Heat Absorbing Glass and so on.
Sincerely hope to find a way to cooperate with you!Please contact me if any question.