Complex sentence: In the 1990s and 2000s, Peru contracted with Diadora (1991--1992), local manufacturer Polmer (1993--1995), Umbro (1996--1997), and had a long-term contract with local company Walon Sport (1998--2010).
Split into simpler sentences: In the 1990s, Peru contracted with Diadora (1991--1992), local manufacturer Polmer (1993--1995), and Umbro (1996--1997). It also had a long-term contract with local company Walon Sport (1998--2010).