Posted by crystal optical
This 1.499 UC lens is uncoated single vision lens. The material of the single vision lens is CR-39. CR39 singl Read More...
Posted by crystal optical
1.49 single vision lens, the material is CR-39. CR39 single vision lenses have a high Abbe number, high l Read More...
Posted by sun yeh
Sunyeh The Sun Yeh ceramic-lined actuator pneumatic valve is a high-quality valve designed for dema Read More...
Posted by sun yeh
SunYeh The Sun Yeh ceramic-lined electrically controlled valve is a high-performance electrically controlled Read More...
Posted by sun yeh
Sunyeh Sun Yeh 91BT Ceramic Partial Valve Series is designed with precision ceramic half-lined bal Read More...