Wudi Longda Plastic Masterbatch CO.,LTD is located in Shandong province,has been one of the biggest masterbatch manufacturers in China since its establishment in 2002.Now our annual masterbatch production capacity reaches to 45,000 metric tons totally.A wide range of masterbatch products can be supplied by us,include black masterbatch,white masterbatch,color mb,CaCO3 filler mb,BaSO4 filler mb,dessicant mb and other functional mb.All of our products are under strict quality control system and ISO 9001:2008 was approved,also the SGS,PONY,ROHS,FDA certification.