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, factory's workforce rose to more than 230 employees, including 15 technicians and 5 senior engineers. Furthermore, our factory possesses complete processing facility and precise instrument & equipment, which are mostly purchased from Germany and are in leading position all over the world.

From 1995, we started to introduce technology, material and formula from Germany, USA and Japan so that we became the largest manufacturer of sealing products in China in 1998. In addition, we have established long-term cooperation relationships with several scientific organizations and high college laboratories to keep our factory one-up within China.

Zhejiang Broad Science And Technology Co., Ltd. is specialized in CPU, TPU, PTFE and NBR Sealing products and our 8 production lines allow us to produce over 15,000 different products. Our leading product is Hydraulic Seals and Pneumatic Seals, which are mainly used in automotive, mechanical engineering, stationary hydraulics, mobile hydraulics, pneumatics, fluid power engineering and electrical engineering, chemical industry, process engineering, oil and gas equipment, as well as agriculture industry. Besides, we also provide international standard sealing products including Parker, Trelleborg (B+S), Hallite, NOK and Valqua. Our product is popularized by its admirable quality and professional design. So far, our main buyers are Ningbo Haitian Compressor Co., Ltd., Hefei Metalforming Machine Tool Limited and Zhejiang Hangcha Engineering Machinery Co., Ltd. Moreover, our products have been exported to more than 20 counties such as Italy, Spain, Canada, Malaysia, Syria and UAE.

Much of Sanmen Broad Industrial Co., LTD's success is due to our high quality product control and on-time delivery service, and we will continue this tradition to meet the customer's technical and economic demands by adopting zero defects management, strict production quality control, and continuous improving in production.

Welcome to place orders and we sincerely hope to do business with you!