Shenzhen Weilong Plastic Co., LTD is a professional manufacturer in making masterbatches since 2000. Being an R&D, production, sales and services as a whole company, Shenzhen Weilong Plastic Co., LTD has introduced advanced technology and equipments and we have developed all kinds of masterbatches, including black masterbatch, white masterbatch, red masterbatch, yellow masterbatch, green masterbath, purple masterbatch as well as other color masterbatchs up to more than 60 kinds of different ...