Please list the names of all the suppliers for the part with the highest retail price.
supplier name refers to s_name; the highest retail price refers to max(p_retailprice)
SELECT T3.s_phone FROM part AS T1 INNER JOIN partsupp AS T2 ON T1.p_partkey = T2.ps_partkey INNER JOIN supplier AS T3 ON T2.ps_suppkey = T3.s_suppkey WHERE T1.p_name = 'hot spring dodger dim light' ORDER BY T1.p_size DESC LIMIT 1