This optical instrument factory is well-known for accurate optometry, fine grinding and good quality.

该光学仪器厂，验光准、磨制精、质量优。 收藏。

youdao

This optical instrument factory is well-known for accurate optometry, fine grinding and good quality.

该光学仪器厂，验光准、磨制精、质量优。 收藏。

youdao