We, Guangzhou Tongsheng Chemical Co., located at Guangzhou city in China, is a qualified contributor of Sinopec on petroleum resin(C5) and Styrenic Block Copolymers(SBS/SIS/SEBS).which are wild used for making hot melt adhesive, pressure sensitive adhesive, paint, road marking paint ,tires,packaging,bookbinding,hygiene products and ect. In China, Henkel, HP Fuller, Bostik, Forbo are all our clients in adhesive&sealant application....