Haichang is also the first brand to bring soft contact lenses into China, but the follow-up development plan is not clear, and it lost in the competition with Bausch & Lomb, and then Taiwan Jinke Group obtained the contact lens centrifugal casting process and equipment from Haichang Company, and officially established Haichang Contact Lens Co., Ltd. in China, and relying on the star publicity with great appeal, Haichang can get a piece of the cake in China's contact lens market.
 
Haichang will contact lens consumer group in the student, office group, the pursuit of "personalized, colorful", rich style and very affordable, Haichang series of contact lenses water content is about 38%, and the use of moisturizing lenses, the eyes are not easy to lose water when wearing, at the same time, the center of the lens is well positioned, there is a moderate lens movement, but the base arc fit will not occur the problem of slippery, but also to ensure the coverage of tears, dry eyes people feel more friendly.
 
Haichang is widely known for the launch of the Hailien brand series for the low-end market, with low prices and numerous celebrity endorsements that have gathered popular popularity. Hai Li'en includes the Peach Blossom Show, Sprout Pet and Macaron Kiss series. The Peach Blossom Show series has the most models, including daily throwing, monthly throwing, quarterly throwing, and half-year throwing, and there are 6 styles in the season, both daily brown and black, as well as unique gray and blue, and the price of 2 pieces is 55 yuan.
 
Although the lens material is consistent with the traditional combination of hydrogel and moisturizing factor, it also adds ultraviolet absorber, which has a certain effect of isolating UV. HAPPY GO includes daily throwing, monthly throwing and semi-annual throwing, with gray, purple, black, brown 4 colors to choose from, but the pattern is relatively simple, 10 pieces of daily throwing only 45 yuan.
 
In the use of contact lenses, once worn, it will affect the respiration and moisture environment of the cornea, and the lenses of the above cycle of seasonal disposal, although the price advantage is high, but long-term use, the wear and tear of the lenses, protein precipitation is inevitable, the storage and cleaning requirements for users are also very high, and the safety hazards of the eyes will also increase over time, so especially when choosing color contact lenses, short-cycle lenses should be given priority.