ShenZhen Sifier Technology Co, . Ltd. is a professional supplier with more than 10 years experience in the glasses field from China for HIGH QUALITY optical frame and sunglasses including metal, titanium, and acetate frame, and all relative optical accessories.

Sifier has its own professional designing and technical department. It is very good at designing frames according to customers' needs and catch the customer ideas well. Sifier is very creative. Every month, we will introduce new technologies which could be applied to the frame production and have more than 50 new models designs, so as to keep Sifier always at the head of the fashion. All Sifier frame could pass the ISO12870 test, Sweat test, Check text^. All sunglasses lens will pass the drop ball test and sunglasses will have the FDA certification for the USA and Canada market.

We supply the customers not only the goods but also the professional service and the professional solutions for the customers. Our sales people are creative, communicative and know the market, the products well.

Casey is one of the sales from Sifier. With 5 years experience in this field, Casey handle the customer's new projects strictly according to the standard process. Her good Written and Spoken English made herself well understood by the customers. And her rich experience and good listening help her understand the customers fast and accurately. We totally understand that the customers have to make a good balance between the quality and the frame cost. During our communication on the new models, we will pay special attention to this and always ready to give our professional suggestions to do the best for our customers.