http://pastport.jp/user/profoundsilicone ja-JP Profound is a professional manufacturer of silicone rubber. Our company is located in Dongguan, which is a well-known city with a lot of factories. https://www.profoundsilicone.com/ 2022-11-25T14:56:38+0900 http://pastport.jp/user/profoundsilicone/timeline/Profound%20Tech%20Co.%2C%20Ltd profoundsilicone http://pastport.jp/user/profoundsilicone/timeline/Profound%20Tech%20Co.%2C%20Ltd