GOYENCHEM-PBAT102 Polybutylene Adipate Terephthalate GOYENCHEM-PBAT103 Polybutylene Adipate Terephthalate GOYENCHEM-PBAT105 Polybutylene Adipate Terephthalate GOYENCHEM-PBS102 Polybutylene Succinate GOYENCHEM-PBS103 Polybutylene Succinate GY-MDG High Effect Biodegradable Material GY-MDG-PBAT High-performance biodegradable materials GY-MDG-PLA High-performance biodegradable materials