DWJ Masterbatches Co.,Ltd was established in 1999 in Dongguan,China.Producing middle to high grade Black Masterbatches, the facilities covered then a surface of 7000. In 2011, thanks to the large local demand, we have established a subsidiary, equipped with state- of-the art compouding machinery and testing equipment, producing high-end Masterbatches. We are now a leading manufacturer specialized ini PE/PP/ABS/PS based black Masterbatches with 8 production lines within a 20500 total area, for an output capacity of 43000 tons per year. Our Black Masterbatches' application range cover most of the converting processes, including injection molding, extrusion blow molding, rotomolding, pipe and sheet extrusion, yarn, foaming, food and non-food grade films. We work relentlessly to develop new formulations and processing technology to improve our existing portfolio of high performance products. Our people are experts in their own fields and regardless of their position, are customers oriented and dedicated to performance. In 2012, we have obtained the ISO 9001:2008 certification. Accordingly, the company continuously reviews and improves all sources and processes in order to be more efficient and to deliver the best service to our customers. In addition to the broad domestic sales, our Black Masterbatches are now exported in every continent and, thanks to the constant quality of both our virgin and recycled polymer based products, as well as our expertise in export logistics, we have earned and excellent reputation on the overseas markets.