Shanghai Diwei Vacuum Equipment Co., Ltd. is located in Shanghai Qingpu, the birthplace of vacuum pumps in China. It is composed of a group of professionals who have been engaged in the vacuum industry for decades. The company has strong technical strength and a forward-looking vision. Its main products include DVB series Roots vacuum pumps, DVL liquid ring vacuum pumps, and DVS screw vacuum pumps. Among them, the DVB series of new Roots vacuum pumps independently developed and produced by the company are manufactured using modern production processes, machinery, and equipment, which have overcome many shortcomings of traditional Roots vacuum pumps. They are presented to the market with a novel and exquisite appearance and a unique sealing method. The vacuum products produced by the company are widely used in high-tech fields such as aviation, aerospace, energy, military industry, electronics, chemical engineering, metallurgy, textile, food, medicine, and environmental protection. The advanced technology and high-quality service have received wide acclaim from customers. Our goal is to provide customers with personalized professional consultation and high-quality product selection. Customized non-standard systems and prompt on-site services are the key factors for us to achieve this goal. We believe that our experience and strength will surely provide solid and effective guarantees for achieving this goal!
Shanghai Diwei was established in March 2012 and launched our carefully manufactured DVB series Roots vacuum pumps to the market in October of the same year. From the initial 4 specifications, it has continuously improved and developed to the current 8 specifications of Roots vacuum pumps. By the end of 2014, 2 specifications of DVS series screw vacuum pumps will be produced. Currently, there are 25 employees, among whom more than 10 have many years of experience in the same industry, including technical talents in sales, manufacturing management, processing and assembly.
Although our company is young and small in scale, we have strong capabilities and rich experience in the production, management and technical application of vacuum pumps. Thanks to this, in 2013 alone, we produced and sold over 200 DVB Roots vacuum pumps and nearly 100 sets of various vacuum units. We have won the recognition of our users with high quality and excellent service.
To ensure timely delivery and impeccable product quality, Diewei Company has obtained the ISO9001 quality certification. It has established a highly efficient production quality management workflow. The company is equipped with modern production facilities, including large-scale processing centers, CNC planers, multi-axis CNC milling machines, drilling machines, lathes, etc. It is also equipped with various professional testing devices, such as dynamic balancing machines, Pirani gauges, McLeod gauges, vibration meters, noise meters, etc. It strictly follows scientific production processing techniques and quality control procedures to ensure the high precision and quality of each processed part. Every product is of high standards and high quality.

上海缔威真空设备有限公司位于中国真空泵诞生地—上海青浦，由一批从事真空行业几十年的人员组成，技术力量雄厚，前瞻性强。产品主要有DVB系列罗茨真空泵、DVL液环真空泵、DVS螺杆真空泵，其中公司自主研发生产的DVB系列全新罗茨真空泵，运用现代化的生产工艺、机械、设备加工制造，弥补了传统罗茨真空泵存在的诸多不足，以新颖、精致的外观，独特的密封方式，面向市场。公司生产的真空产品广泛应用于航空、航天、能源、军工、电子、化工、冶金、纺织、食品、医药、环保等高科技领域，先进的技术，优质的服务，得到了客户的广泛赞誉。我们的目标是为客户提供个性化的专业咨询，优质的产品的选择。非标系统定制,迅捷的现场服务，是我们实现这个目标的关键因素。相信，我们的经历加上我们的实力，一定能为实现这个目标提供扎实而有效的保障！

上海缔威成立于2012年3月，10月即向市场上推出我们精心制造的DVB系列的罗茨真空泵。从起初的4个规格不断改进发展到现在的8个规格的罗茨真空泵。到2014年底将生产出2个规格的DVS系列螺杆真空泵。现有员工25人，10多人是有多年同样从业经历的 销售、制造管理、加工装配等技术人才。

虽然公司的成立时间很短、规模小，但我们从事真空泵生产制造、管理、技术应用的能力及经验很强。凭借于此，2013年一年我们总共生产销售DVB罗茨真空泵200余台，各类真空机组近100台套。以高质量、优服务赢得了用户的认可。

为做到交货及时和产品品质的无可挑剔，缔威公司获得ISO9001质量认证证书。建立了高效率的生产质量管理工作流程，公司拥有现代化的生产设备，配备了大型加工中心、数控刨床、多轴数控铣床、钻床、车床等。配备了各类专业的检测设备，有动平衡仪、皮拉尼计、麦克劳计、震动仪、噪声仪等。执行严谨科学的生产加工工艺和质量控制流程，确保每一个加工件的高精度和高质量，每一台产品都是高标准高品质。