SSE PREFoam EPS Geofoam Stadium Seating Riser Systems are the most cost effective and efficient systems available to design or enhance audience viewing in classroom, auditorium, lecture hall, balcony, church, worship center, and movie theatre seating by creating a fast and easy method of providing levels of tiered seating riser platforms to offer an unobstructed view for the audience. SSE has refined the design of pre-engineered tiered stadium seating riser systems and developed the innovative SSE PREFoam EPS Geofoam stadium seating solutions that maximize cost and time savings as well as contractor productivity.

Evergreen Chemicals USA, Inc. is the sole and exclusive distributor of Sunchem Jiachang Expandable Polystyrene Resin (EPS) and PET resins to North America, Japan and parts of Asia. Allow us to be your source of EPS/PET and make a positive environmental impact in the world. We are worldwide and have sales offices in Tokyo, Shanghai and Los Angeles. Contact us today for a competitive advantage in the EPS/PET industry. Sunchem's "JIACHANG" brand EPS has obtained the following approvals/compliance certifications: UL certification SGS certification ISO9001:2008 Quality Management System certification ISO14001:2004 Environmental Management System Certification B1 flame retardant certificate from Germany HFM inspection Japan Food Safety Administration Certification US FDA Certification