Qingdao Kede is authorized by the United States Cortec company of the general distributor in Mainland China. Cortec specializes in VpCI vapor phase RP products. Cortec is the only certified enterprise in VpCI(vapor phase RP products) manufacturing industry. The company uses the most advanced high-tech technology, has retained a number of patents. Such as VpCI vapor phase RP products, MCI rust remover, ultrasonic cleaning agent, degreasing agent, etc.