WorkVenture gives you an inside look at what it's like to work at SJJ Perfect Roof Co., Ltd., office & team photos, reviews and more. This is the SJJ Perfect Roof Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at SJJ Perfect Roof Co., Ltd..Apply to MEO JewelryApply to AppManApply to Fanster MediaApply to Bumrungrad