OK Diamond Tools and Concrete Cutting EquipmentAt OUKAI we have been developing, manufacturing and supplying Concrete Cutting Equipment for over 20 years, Xi An OUKAI has become the Chinese leading manufacturer of high-quality Diamond Cutting Products.OUKAI has own factory and advanced processing machines. and offer a complete range of Diamond Tools and Equipment for the Concrete Sawing and Drilling industry, Demolition Industry and Stone processing industries.Our focus has been fuelled through the use of our onsite R&D testing facility, which ensures that all our products are thoroughly tried and tested before they go out to any of our clientsOur brand is "OK", Our slogan: "Concrete Cutting Select Oukai, Everything Is OK!"