Turkish chemical producers Sisecam are organising two seminars to be held at the end of the July in China. The first seminar will be held in Xinji city, Hebei province on July 28. The second will be held in Jinjiang city, Fujian, on July 31. The seminars will focus on chrome tanning and chaired by Asim Onculer, a well-known Turkish specialist in the leather field.