Shanghai shanben bellows Co., Ltd. is a company with industrial elite and high technology. It's a professional manufacturer specialized in research, development and manufacture in the field of bellows. Shanben is a modern enterprise with high-tech products and high-quality service, it adopt foreign advanced technology and Chinese troditional crafts to strictly guarantee the product quality. After more than ten years research and empolder, we have made outstanding achievements in bellows. Its products are widely used in instrument; Meter; Vacuum switch; Water flow switch; Valves and so on. The material is mainly with stainless steel and tin-bronze, simultaneously we can be customized rare metal according to the customer's deman. Product features: Good flexibility; Long fatigue life, the whole appearance and wave type is according to the demand.