LONG SUN optoelectronics technology Co., Ltd is a high-tech enterprise and focuses on design, manufacture, sales and services of high-power LED lighting products.

We do improvement or launch new products every 15 days. And for our products, we have 16 kinds of reliability demonstration test, such as high-voltage insulation test, earth continuity test, normal temperature aging test, high temperature experiment, salt spray test, vibration test, drop test, hot and cold impact test, high temperature and high humidity test etc. Also before production, we have 10 copies of guidance documents, like operation instructions, operation process chart, incoming quality control standard, process inspection standard, outgoing quality control standard, QC operation standard etc. In LONG SUN, it only takes 2 minutes to produce a high power LED but 24 hours for aging: 12 hours for continuous aging and 12 hours for impact aging. So the defective rate is less than 0.3%.

In LONG SUN, we have highly qualified sales team comprised of 8 passionate talents. And our clients are from all over the world, 22.85% in America, 19.64% in Australia, 35.72% in European and 21.79% in other countries. For now, we have over 350 clients.

Any questions and complains will be replied within 48 hours for LONG SUN have excellent after-sales service system, which made up of 4 customer service staffs and 5 professional engineers. They will offer technical support to all of you.

"Brighter lights, Brighter life. "LONG SUN wishes you a splendid future.