PSI Trading Corporation, a buying house which specialises in providing products at the most efficinet and reasonable costs. We want to act as productive member of any supply chain. Our strategy is provide our customers with they need source it them directly If ...

CARTEL is a global brand providing precision instruments and solutions to the eyewear industry for over half century. Our procucts include automatic refractometer, lensometer, lens edging machine, UV tester, PD meter retinoscope streak. At CARTEL, we aim ...