【正】 China lacks rubber resources so more than 70% of natural rubber must be imported from abroad.Reclaimed rubber and rubber powder produced with scrap rubbe
Anhui Sierte Fertilizer Co.,Ltd.located in Ningguo,Anhui province is a large private owned enterprise with the production of phosphate compound fertilizers as
Powder SBR(styrene-butadiene rubber) with high styrene content developed by CNPC Lanzhou Petrochemical Company Research Institute has been produced at a batch