PCM Models looks to be a mixed bag of sorts. Based on ARD's offerings of PCM models (pages 2, 3 & 4), they might be a company out of the Philippines that manufacturers wooden models. As for the resin examples from ARD, they look exactly like the ones that Atlantic Models produces on the same scale and cost much less than Atlantic Models. Airplane Models, Noses, and Decals by Atlantic Models, Inc.
. Out of curiosity, I emailed Atlantic Models regarding the resin PCM models offered by ARD.
From the perspective of resin models, I have the 1:100 National Airlines example that I bought in '04 and love it. Resin or wood, these larger scale models look great as a furniture accessory item. No problems with yellowing.