Zhongshan DoLeungChoi Plastic Technology Co., Ltd. was founded in 1993. The head office is located in Zhongshan City, Guangdong Province and a branch office was located in Hefei City, Anhui Province. DoLeungChoi is a high-tech enterprise integrating R&D, production, sales and service of specialized masterbatch production. The company has focused on R&D and production of color masterbatches for more than 20 years. At present, the main products are white masterbatch series, black masterbatch series, color masterbatch series, functional masterbatch series and functional new materials, totaling five types. Products are widely used in household appliances, artificial grass (spinning), medical packaging, daily necessities packaging, sanitary ware, automobiles and other fields. After more than 20 years of continuous development and growth, the company has modernized workshops, standardized production workshops and advanced high-energy and low-consumption twin-screw extruder production lines. The company has successively passed the ISO9001 quality management system, ISO14001 environmental management system certification, and QC080000 hazardous substance process management system certification. The products meet the requirements of RoHS, REACH, FDA and other laws and regulations. The company has been recognized as a high-tech enterprise since 2016. The company focuses on the research and development of new products. It has established a research and development center, established a standardized testing laboratory, equipped with complete testing equipment, and cultivated an experienced and innovative R&D team . Since its establishment, the company has accumulated rich experience in product research and development, and has established long-term and in-depth cooperative relationships with many well-known domestic and foreign brands. With strong technical strength, stable quality, competitive price and high-quality service, it has become an excellent supplier for many customers.