We are Qingdao Chinaoil Co., Ltd. Our company, one of the key members of Petro China group, which is an extra large enterprise in China. In the international market, Our company has strong managing advantages in Food Additive, dyestuffs, pigments, pharmaceuticals, intermediates, inorganic chemicals, organic chemicals,and so on. Should there is some items be of interest to you, please let us know at any time, We will be happy to give you details. Your further working good news is highly appreciated soon.