Huawen graft compatibilizer series products are a kind of functional polymer resins containing reactive functional groups (such as maleic anhydride) produced by twin-screw extrusion granulation. According to the different base materials, the current Huawen graft compatibilizer series mainly include POE-g-MAH (HW-401, HW-402), PP-g-MAH (HW-501, HW-502), ABS- g-MAH (HW-102 series).