Zhejiang Saiteng Building Materials Co., Ltd. whose the predecessor of Hangzhou Saiteng Colorful Shingle Co., Ltd. has 15 years experience of asphalt shinlges. Saiteng has 45000 square meters production base and a crowded marketing network of agents and distributors all over the China, also export to more than 30 countries, such as Auatralia, Sri lanka, Colombo,Maldives,etc. There is 5 designer and can design any color you need now. No hesitate to contact us.