???ongweijin Plastics Masterbatches Manufactory???(Head Plant) was established in year 1999 at Dongguan, producing middle-high grade black masterbatches, the facilities cover a land of 7000 square meters. Owing to large demands from China local market, we have established one subsidiary factory in Qishi in 2011 equipped with German twin screw extruders producing high-end black masterbatches. We are a leading manufacturer specialized in PE/PP/ABS/PS-based black masterbatches with totally 8 masterbatch production lines, totally 20,500 square meters and having a capacity of more than 36,000 tons per year.
