Sundow Polymers Co. Ltd. has developed WELLPREN TM RESIN IM 888 and IM 868 with high molecular weight, superior mechanical performance, high absorption capacity to filler, high cost/performance efficiency, general impact modifier for plastic rigid products and semi-flexible products. 

They can substitute Tyrin - 3615 and Tyrin - 7000. These two products have enjoyed high reputation among over 30 countries for their reasonable price and good quality.