Rizhao Lanshan Yongsheng Rubber&Plastic Co., Ltd , established in 1986,located in the beautiful coastal city of Shandong Rizhao，is honored the leading company in the Plastic&Rubber Industrial Production of Research&Development Base in Shandong Province .It is a high-tech enterprise specialized in R&D, production, processing and mating of rubber and plastic products with complete production, mechanical and inspection equipment. Products of our enterprise are widely used in such industries as instrument, home appliance, agricultural machinery, automobile ship, pipeline, petroleum, chemical industry, spinning and building materials industry. The enterprise has established a design and development center, metering inspection center, and manufacturing center. It has first passed ISO9001:2008 International Quality System Certification and TS16949:2009 Quality Management System Certification among enterprises of the same trade and strictly implemented the quality standard verification and self-checking specified by the certification system.