The “heart” of refrigeration equipment: polyurethane catalyst PC-5 in the inner liner In the world of refrigeration equipment, there is an unknown but crucial role-polyurethane catalyst PC ...

Wind power generation: the art of capturing energy from the wind Wind power generation, a seemingly simple concept, is actually a complex engineering art. It is not only a process of converting wind-b ...

1. The wonderful world of medical dressings: the evolution from tradition to modernity In the long history of human struggle against injuries, medical dressings have always played an indispensable rol ...

The Secret in Sports Soles: The Magical Effects of Polyurethane Catalyst PC-5 In today’s era of pursuing speed, strength and comfort, sneakers are no longer just tools to protect the feet, but h ...