Dongguan Sanrun Plastic Technology Co., Ltd [Dongguan Zhongyi (Sanli) Masterbatch Manufactory] is specialized in researching, manufacturing and marketing black master batches. Since the establishment in 2005, we have been adhering to the ''High quality for unwavering respect, high reputation for sustainable growth'' as our operation principle. Through 8 years of development, Sanrun now operates 7 high class production lines. Our annual production and sales amount reach 25, 000 tons. "Sanli" black masterbatch has been sold world-wide, and earned high reputation in this field.

We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!