OKK has many of excellent technicians, perfection technique equipments, advanced testing system and a whole quality assurance system. The products have a good market at home and abroad, highly trusted and applauded by consumers. For all these year, the company insist on “Quality and Innovation” as our company principle, we also believe that Customer = Market, moving along with the world we hope to bring “Made in China” to every corner on the earth, to contribute to the global environment and to share our achievements in scientific research with our customers around the world.