Zhejiang Broad Science and Technology Co., Ltd. (Zhejiang Sanmen Seal Factory) was founded in 1985 and has been manufacturing sealing products for more than 20 years. With profound technical foundation and abundant production experience, Zhejiang Broad Science and Technology Co., Ltd. has developed our own brand of 'Ailate', which enjoys a good reputation in both domestic and overseas market.



Our factory covers an area of 25,000 square meters with a workshop of 20,000 square meters and we are able to produce 60 million pieces seals every year. During 2006,...