Shenzhen Changlongcheng Technology Co., Ltd. has been a professional company in plastic coloring and modification since its establishment, and it set up a branch in Dongguan (Dongguan Changcheng Industrial Co., Ltd.) in 2011. Over the past decade, the company has kept pace with the times, integrating years of technical management expertise, using high-end imported raw materials to specialize in the production of various concentrated color masterbatches and engineering plastics. Our company has introduced the leading Japanese CCM full-color matching system for plastic color matching, production, and dyeing granulation. At the same time, our factory regularly receives ISO series quality management training, achieving an effective combination of technology, equipment, and management, continuously improving product quality and service efficiency. The company consistently adheres to the business philosophy of professionalism, quality, and integrity, and has won the praise and support of many customers with innovative technology, outstanding quality, and perfect after-sales service, creating a good market development prospect. We warmly welcome friends from all walks of life to cooperate sincerely with us to create a better future together.