Blue Whale, known as BW, was established in May of 2023, located in Hangzhou City, Zhejiang Province, east part of China, close to Shanghai and Ningbo Port, 1 hour's distance from Shanghai by train. it comprises a group of young people full of dreams and passion, with rich experience in the construction material industry.Our main products include stone-coated metal roof tile, color-painting roof tile, asphalt shingles, waterproof material, and OSB boards for better customization support. We provide one-stop services of construction material for our esteemed customers and dealers. Our upskilled team will assist you throughout your business decision.The constant improvement of technology and service leads to the development of Blue Whale. With the mission of creating a green future, we have always decided to become a century-old brand. Adhering to the corporate values of Integrity, Grateful, Support, and Responsibility, we will create a glorious future with our dreams and hopes.