Sichuan Just Rubber Co., Ltd., a manufacturer which is specialized in producing all kinds of rubber seals for pipes and rubber water-stop for subway tube .The company is headquartered in Zigong, with a total investment of 25 million RMB. In May 2010, in Daying county of Suining, Sichuan, 10 acres of land have been used to build a new plant .This plant with a total investment of 53 million RMB has been put in trial production in October 2011, now it can offer 4,000 tons of high-performance seals every year, the output is up to 100 million RMB