Rinch Industrial Co.,Limited, have several joint venture plants producing measurement meter and ophthalmic instruments. we not only have our own manufactures in China but also have long term good relationship with many other manufactures throughout mainland. Most of our products are CE marked, some of them have UL certificate.Our products are widely welcomed in USA, South America,Middle East, Europe, Africa, Asia etc.We are service oriented, we esteem all our customers and appreciate long term partnership with you! welcome to contact us whether for buying online or distributorship cooperation. Just tell us what we can do for you, we are always service oriented!